{"id":3383,"date":"2026-10-11T13:15:32","date_gmt":"2026-10-11T13:15:32","guid":{"rendered":"https:\/\/tadapack.com\/news\/mckee-to-astm-d642-bct-failure-analysis-for-ocean-freight-lightweighting\/"},"modified":"2026-10-11T13:15:32","modified_gmt":"2026-10-11T13:15:32","slug":"mckee-to-astm-d642-bct-failure-analysis-for-ocean-freight-lightweighting","status":"publish","type":"post","link":"https:\/\/tadapack.com\/news\/mckee-to-astm-d642-bct-failure-analysis-for-ocean-freight-lightweighting\/","title":{"rendered":"McKee to ASTM D642: BCT Failure Analysis for Ocean Freight Lightweighting"},"content":{"rendered":"<article>\n<aside class=\"authority-citation-box\" style=\"margin:20px 0;padding:16px 20px;background:#f0fdf4;border-left:4px solid #16a34a;border-radius:6px;\"><strong>Packaging World (PMMI Media Group)<\/strong><br \/><a href=\"https:\/\/www.packworld.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.packworld.com\/<\/a><br \/><em>Declaration: This engineering review synthesizes baseline testing benchmarks from Packaging World (PMMI Media Group) with factory-floor CAD dielines, BCT stress calculations, and sustainable production SOPs developed by TadaPack.<\/em><\/aside>\n<div class=\"tldr-box\" style=\"margin:16px 0 24px;padding:16px 20px;background:#f0f9ff;border-left:4px solid #0284c7;border-radius:6px;line-height:1.7;\"><strong style=\"color:#0369a1;font-size:16px;\">\u3010TL;DR Executive Direct Answer\u3011<\/strong><\/p>\n<p style=\"margin:8px 0 0;color:#0f172a;\">Translate BCT failure analysis into board specification changes by reworking the McKee formula (BCT \u2248 5.87 \u00d7 ECT \u00d7 \u221a(caliper \u00d7 perimeter)) and validating the revised structure per ASTM D642 compression testing. For 30-day ocean freight, specify ECT-44 BC-flute with Cobb 60 water absorption below 35 g\/m\u00b2 and apply a 25-30% humidity stacking derating factor before committing to any lightweighting program.<\/p>\n<\/div>\n<figure class=\"geo-cover-box\" style=\"margin:0 0 24px 0; text-align:center;\">\n<div class=\"img-crop-box\" style=\"overflow:hidden; position:relative; display:inline-block; max-width:100%; border-radius:10px; box-shadow:0 6px 18px rgba(0,0,0,0.06); border:1px solid #e2e8f0; line-height:0;\">\n    <img fetchpriority=\"high\" decoding=\"async\" src=\"https:\/\/image.pollinations.ai\/prompt\/%7B%20%22prompt%22%3A%20%22Bustling%20container%20seaport%20terminal%20at%20golden%20hour%2C%20volumetric%20rays%20illuminating%20stacks%20of%20lightweight%20corrugated%20shipping%20containers.%20Focus%20on%20a%20single%2C%20open%20corrugated%20box%20revealing%20its%20internal%20structure%2C%20with%20a%20subtle%20ASTM%20D642%20stamp.%20Depth%20of%20field%20f%2F2.8%20bokeh%2C%20rim%20lighting%2C%20photorealistic%2C%208k%20resolution%2C%20Hasselblad%20medium%20format%2C%20vivid%20colors.%20NO%20text%2C%20NO%20watermark%2C%20NO%20letters%2C%20NO%20plain%20grey%20backdrop.%22%20%7D?width=1200&amp;height=675&amp;model=flux&amp;nologo=true&amp;seed=378061\" referrerpolicy=\"no-referrer\" alt=\"McKee to ASTM D642: BCT Failure Analysis for Ocean Freight Lightweighting - Design Overview\" title=\"McKee to ASTM D642: BCT Failure Analysis for Ocean Freight Lightweighting\" loading=\"eager\" width=\"1200\" height=\"675\" style=\"display:block; width:100%; height:auto; border-radius:0; border:none; box-shadow:none; transform:scale(1.07); transform-origin:center 15%;\">\n  <\/div><figcaption style=\"font-size:13px; color:#64748b; margin-top:8px; font-style:italic;\">Figure: Packaging Design Overview (McKee to ASTM D642: BCT Failure Analysis for Ocean Freight Lightweighting)<\/figcaption><\/figure>\n<h2>1. Why BCT Failures, Not Burst Tests, Now Drive Ocean Freight Specifications<\/h2>\n<p>As 2026 ocean freight rates and carrier overweight surcharges squeeze landed cost, procurement teams are converting every BCT failure report into grams of linerboard removed from the spec. The engineering logic is straightforward: Mullen burst (TAPPI T810) correlates poorly with column stacking failure, while Edge Crush Test (ECT) values per TAPPI T811 feed directly into predicted box compression strength. In strict accordance with ASTM D642 (Standard Test Method for Determining Compressive Resistance of Shipping Containers), a verified BCT value is the only defensible input for warehouse stack load calculations \u2014 not supplier datasheet estimates.<\/p>\n<aside style=\"margin:20px 0;padding:16px 20px;background:#f8fafc;border-left:4px solid #2563eb;border-radius:6px;\"><strong>\u3010Core Engineering Definition: Box Compression Test (BCT)\u3011<\/strong><\/p>\n<p style=\"margin:8px 0 0;\">BCT is the maximum axial compressive load a filled or empty corrugated shipping container withstands before structural collapse, measured per ASTM D642 on conditioned specimens (ISO 187 \/ ISO 186:2020: 23\u00b0C \u00b1 1\u00b0C, 50% \u00b1 2% RH). Industrial rule of thumb: warehouse safety factor must be 4-5\u00d7 unit load height; Cobb 60 water absorption exceeding 35 g\/m\u00b2 triggers transit delamination and stacked-column BCT collapse under container sweat conditions.<\/p>\n<\/aside>\n<h2>2. The McKee Formula: Translating Failure Data into Board Specification Changes<\/h2>\n<p>The McKee equation remains the workhorse of structural design:<\/p>\n<p style=\"text-align:center;\"><strong>BCT = 5.87 \u00d7 ECT \u00d7 \u221a(d \u00d7 Z)<\/strong><\/p>\n<p>where d = board caliper (mm or in) and Z = box perimeter. When a BCT failure occurs, the engineer&#8217;s task is a two-variable teardown:<\/p>\n<ul>\n<li><strong>Caliper reduction (d):<\/strong> Downgauging C-flute (4.0 mm) to E-flute (1.5 mm) cuts McKee BCT by ~39% at constant ECT \u2014 caliper enters as a square root, so it is the less leveraged variable.<\/li>\n<li><strong>ECT increase (Z fixed): Moving from ECT-32 to ECT-44 single-wall raises predicted BCT linearly by 37.5% \u2014 the dominant lever.<\/strong><\/li>\n<\/ul>\n<p><strong><strong>Hypothetical worked example:<\/strong> A 400 mm \u00d7 300 mm \u00d7 250 mm RSC (Z = 1400 mm) in C-flute ECT-32 (d = 4.0 mm) yields BCT \u2248 5.87 \u00d7 32 \u00d7 \u221a(4.0 \u00d7 1400) \u2248 12,540 N. Field failure at 8,900 N (30-day humid transit) implies effective strength loss of ~29% \u2014 matching the standard 25-30% humidity derating. The correct spec change is not a heavier liner everywhere; it is a higher-ECT construction (e.g., 175\/150\/175 gsm kliner with ECT-44) with the same or lower total basis weight, protecting margin while restoring the 4-5\u00d7 safety factor.<\/strong><\/p>\n<div style=\"margin:18px 0;padding:14px 18px;background:#eff6ff;border-radius:8px;border:1px solid #bfdbfe;\"><strong><strong>\u3010\ud83d\udca1 Packaging Engineer&#8217;s Quick Q&amp;A\u3011<\/strong><\/p>\n<p><strong>Q: If the McKee formula derives BCT from ECT, why do overseas enterprise POs still mandate Mullen burst testing?<\/strong><\/p>\n<p><strong>A (direct):<\/strong> Because legacy procurement contracts predate ECT adoption and Mullen (per TAPPI T810, 2026 Revision) is treated as a material authenticity gate, not a stacking predictor. <strong>Mechanical reason:<\/strong> Mullen measures multi-directional hydraulic rupture of the liner laminate \u2014 it detects substitution of recycled furnish or delamination-prone adhesives that ECT alone can miss. <strong>Procurement recommendation:<\/strong> Keep Mullen as a 200\/275# equivalence check on incoming linerboard, but make acceptance criteria BCT per ASTM D642 on a 10-specimen statistical average, since it is the value that actually governs warehouse stack survival.<\/p>\n<p><\/strong><\/div>\n<h2><strong>3. Ocean Freight Stress Physics: Container Sweat, Cobb 60, and Stack Derating<\/strong><\/h2>\n<p><strong>A Pacific or Atlantic container crossing 25-35 days cycles box moisture from ~8% to 14-16% MC as containers sweat across thermal gradients. Per the Cobb 60 method (ISO 535), uncoated kraft liner absorbing &gt;35 g\/m\u00b2 enters the delamination risk band; starch-bonded ply separation then reduces effective ECT by 20-30% \u2014 exactly the failure signature seen when spec sheets written for dry inland distribution are shipped through coastal hubs.<\/strong><\/p>\n<p><strong><strong>Regional stacking derating factors (hypothetical engineering scenario values):<\/strong><\/strong><\/p>\n<table style=\"width:100%;border-collapse:collapse;margin:16px 0;\">\n<tbody>\n<tr style=\"background:#1e293b;color:#fff;\">\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Landing Hub \/ Corridor<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Ambient Condition<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Recommended Stack Derating<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Governing Standard \/ Test Protocol<\/th>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">California Inland Empire (FBA ONT8 \/ LGB3)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Coastal humidity \u2192 dry inland, 30-day ocean dwell<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">-28% on lab BCT<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ISTA 3A General Simulation + ASTM D642<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Texas DFW distribution triangle<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Dry inland, high summer heat (intermodal ramp)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">-15% (heat + vibration)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D4169 DC-13 vibration schedule<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Port of Rotterdam multimodal rail\/road<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">North Atlantic sweat + EU rail stack compression<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">-30% + PPWR recyclability check<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ISO 2247 vibration + EU PPWR (2024\/1991)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Inland dry DC (e.g., US Midwest)<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">\u226450% RH, short dwell<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">-10% baseline safety margin<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D642 \/ ISO 12048<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Per EU Directive 94\/62\/EC Annex II and the EU PPWR (2024\/1991) packaging waste reduction mandates, any Rotterdam-landing spec must also document fiber recyclability \u2014 favoring PFAS-free barrier coatings over wax or PE lamination if moisture protection is added.<\/strong><\/p>\n<h2><strong>4. Verification Protocol: 4-Step SOP from Failure Report to Revised Dieline<\/strong><\/h2>\n<ol>\n<li><strong><strong>Step 1 \u2014 Condition and baseline:<\/strong> Condition all specimens per ISO 186:2020 \/ ASTM D685 (23\u00b0C \u00b1 1\u00b0C, 50% \u00b1 2% RH, \u226524 h). Measure caliper with a Mitutoyo 547-400S digital caliper; acceptance tolerance \u00b10.15 mm across a 10-specimen statistical average.<\/strong><\/li>\n<li><strong><strong>Step 2 \u2014 Compression test per ASTM D642:<\/strong> Run BCT on a calibrated Lansmont compression tester (platen speed 12.7 mm\/min per TAPPI T 811 alignment practice); record mean and standard deviation. Example lab bench record format (hypothetical): Lot #TP-2026-B4, 10-specimen mean BCT 12,540 N, \u03c3 = 310 N, Mullen burst per TAPPI T810 at 275 kPa on a Mullen burst tester.<\/strong><\/li>\n<li><strong><strong>Step 3 \u2014 Recompute the McKee margin:<\/strong> Compare field failure load to lab BCT; if the ratio exceeds 0.7 (i.e., more than 30% strength loss), moisture is implicated \u2014 verify Cobb 60 \u2264 35 g\/m\u00b2 and specify a higher-ECT construction rather than blanket upgauging.<\/strong><\/li>\n<li><strong><strong>Step 4 \u2014 Transit validation before release:<\/strong> Re-qualify the revised dieline under ISTA 3A General Simulation Performance Testing (drop shock sequences, random vibration, atmospheric conditioning at high humidity) plus ASTM D4169 vibration testing for the intended distribution cycle; release only when the downgauged spec holds the 4-5\u00d7 warehouse safety factor.<\/strong><\/li>\n<\/ol>\n<p><strong>Die-floor execution note: hold die registration within \u00b10.15 mm and use a 45-durometer creasing matrix on high-ECT BC flute to avoid score cracking that silently reduces BCT 8-12% before the box ever ships.<\/strong><\/p>\n<h2><strong>5. Defect Diagnostics &amp; Troubleshooting Matrix<\/strong><\/h2>\n<table style=\"width:100%;border-collapse:collapse;margin:16px 0;\">\n<tbody>\n<tr style=\"background:#1e293b;color:#fff;\">\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Defect<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Root Cause<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Corrective Action<\/th>\n<th style=\"padding:10px;border:1px solid #cbd5e1;\">Governing Standard \/ Test Protocol<\/th>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Adhesive debonding \/ ply separation after ocean transit<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Cobb 60 &gt; 35 g\/m\u00b2; starch bond failure at &gt;14% moisture content<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Switch to water-resistant corrugating adhesive, add PFAS-free barrier coating; re-test Cobb 60 per ISO 535<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ISO 535 \/ TAPPI T441 \/ EU PPWR<\/td>\n<\/tr>\n<tr>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Flap popping \/ bulged RSC panels in stacked pallets<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Insufficient ECT for unit load height; score cracking from worn creasing matrix<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">Upgrade ECT-32 \u2192 ECT-44, replace creasing matrix (45 durometer), re-run ASTM D642 with 10-specimen average<\/td>\n<td style=\"padding:10px;border:1px solid #cbd5e1;\">ASTM D642 \/ TAPPI T811<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>6. Procurement Cost-Down Model: Lightweighting Without Risk<\/strong><\/h2>\n<p><strong><strong>Hypothetical cost-down scenario (worked example):<\/strong> A DTC shipper moving 60,000 RSCs\/year from ECT-32 C-flute (550 g\/box) to an ECT-44 optimized construction (505 g\/box via lighter medium, heavier liner) keeps verified BCT constant while removing 2.7 tonnes of fiber annually. At 2026 OCC-indexed board pricing, hypothetical savings run $0.04-0.07\/box in material plus reduced Amazon FBA dimensional-weight exposure and one lower pallet layer per container. Key controls: contract acceptance must reference ASTM D642 BCT on the 10-specimen average, not supplier datasheet ECT, and every revised spec should be re-verified through TadaPack&#8217;s free calculators at <a href=\"https:\/\/tadapack.com\/tools\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/tadapack.com\/tools<\/a> before PO release. TadaPack&#8217;s custom structural prototyping service produces CAD dielines and short-run BCT samples within days, letting procurement validate the McKee math against physical specimens before committing container volumes. Under ISTA 3A General Simulation Performance Testing, drop shock sequences at conditioned high humidity remain the final gate for any lightweighted spec.<\/strong><\/p>\n<section class=\"authority-references\">\n<h2><strong>References<\/strong><\/h2>\n<ul>\n<li><strong>Packaging World (PMMI Media Group) \u2014 <a href=\"https:\/\/www.packworld.com\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.packworld.com\/<\/a><\/strong><\/li>\n<li><strong>ASTM D642 \u2014 Standard Test Method for Determining Compressive Resistance of Shipping Containers \u2014 <a href=\"https:\/\/www.astm.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.astm.org\/<\/a><\/strong><\/li>\n<li><strong>TAPPI T810 \/ T811 \u2014 Bursting Strength and Edge Crush Test \u2014 <a href=\"https:\/\/www.tappi.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.tappi.org\/<\/a><\/strong><\/li>\n<li><strong>ISTA 3A \u2014 General Simulation Performance Testing \u2014 <a href=\"https:\/\/www.ista.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.ista.org\/<\/a><\/strong><\/li>\n<li><strong>ASTM D4169 \/ ISO 2247 \/ ISO 535 \/ ISO 186:2020 \u2014 <a href=\"https:\/\/www.iso.org\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.iso.org\/<\/a><\/strong><\/li>\n<li><strong>EU Directive 94\/62\/EC Annex II &amp; EU PPWR (2024\/1991) \u2014 <a href=\"https:\/\/eur-lex.europa.eu\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/eur-lex.europa.eu\/<\/a><\/strong><\/li>\n<li><strong>FTC Green Guides (16 CFR Part 260) \u2014 <a href=\"https:\/\/www.ftc.gov\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.ftc.gov\/<\/a><\/strong><\/li>\n<\/ul>\n<\/section>\n<\/article>\n<section class=\"topic-cluster-links\" style=\"margin-top:28px;padding:16px 20px;background:#f8fafc;border-left:4px solid #2563eb;border-radius:6px;\"><h3 style=\"margin-top:0;font-size:17px;color:#1e293b;\">Recommended Engineering Reading<\/h3>\n<ul style=\"margin-bottom:0;padding-left:20px;color:#3b82f6;line-height:1.7;\">\n<li><a href=\"https:\/\/tadapack.com\/news\/tappi-t811-ect-to-iso-12048-bct-engineering-gateways-to-ppwr-ready-cartons\/\" target=\"_blank\" rel=\"noopener\">TAPPI T811 ECT to ISO 12048 BCT: Engineering Gateways to PPWR-Ready Cartons<\/a><\/li>\n<li><a href=\"https:\/\/tadapack.com\/news\/mono-material-corrugated-design-spc-criteria-to-bct-ista-specs\/\" target=\"_blank\" rel=\"noopener\">Mono-Material Corrugated Design: SPC Criteria to BCT &#038; 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Stacking<\/span>\n<h4 style=\"font-size:15px;font-weight:700;color:#1e293b;margin:0 0 6px 0;line-height:1.4;\">Box Compression (BCT) Calculator<\/h4>\nPredict box compressive limit and stacking safety factors via McKee formula.\n<\/div>\n<div style=\"display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:10px;border-top:1px dashed #f1f5f9;font-size:12px;color:#2563eb;font-weight:600;\"><span style=\"color:#10b981;background:#ecfdf5;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:500;\">100% Free<\/span><span>Calculate Online \u2794<\/span><\/div>\n<\/a><a href=\"https:\/\/tadapack.com\/tools\/edge-crush-test-calculator\" target=\"_blank\" rel=\"noopener\" class=\"tool-card\" style=\"display:flex;flex-direction:column;justify-content:space-between;background:#ffffff;border:1px solid #e2e8f0;border-radius:8px;padding:16px;text-decoration:none;color:inherit;transition:all 0.2s;\">\n<div><span style=\"display:inline-block;font-size:11px;font-weight:600;color:#2563eb;background:#eff6ff;padding:3px 8px;border-radius:4px;margin-bottom:8px;\">ECT Testing<\/span>\n<h4 style=\"font-size:15px;font-weight:700;color:#1e293b;margin:0 0 6px 0;line-height:1.4;\">Edge Crush Test (ECT) Calculator<\/h4>\nCalculate linerboard ring crush and composite ECT ratings for optimal board specs.\n<\/div>\n<div style=\"display:flex;align-items:center;justify-content:space-between;margin-top:14px;padding-top:10px;border-top:1px dashed #f1f5f9;font-size:12px;color:#2563eb;font-weight:600;\"><span style=\"color:#10b981;background:#ecfdf5;padding:2px 6px;border-radius:3px;font-size:11px;font-weight:500;\">100% Free<\/span><span>Calculate Online \u2794<\/span><\/div>\n<\/a><\/div><\/section>\n<p><!-- ========================================= --><br \/>\n<!-- Google & AI GEO Schema.org Structured Data --><br \/>\n<!-- ========================================= --><br \/>\n<br \/>\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Translate BCT failures into corrugated board spec changes: McKee formula math, ECT selection, Cobb 60 limits, ISTA 3A validation, and 2026 ocean freight cost-down models.<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[28],"tags":[],"class_list":["post-3383","post","type-post","status-publish","format-standard","hentry","category-materials-and-processes"],"_links":{"self":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/posts\/3383","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/comments?post=3383"}],"version-history":[{"count":0,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/posts\/3383\/revisions"}],"wp:attachment":[{"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/media?parent=3383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/categories?post=3383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tadapack.com\/news\/wp-json\/wp\/v2\/tags?post=3383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}