<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:content="http://purl.org/rss/1.0/modules/content/"><channel><title>About Work on Marcus Poon | Quality Professional</title><link>https://about.marcuspoon.eu.org/about-work/</link><description>Recent content in About Work on Marcus Poon | Quality Professional</description><image><title>Marcus Poon | Quality Professional</title><url>https://about.marcuspoon.eu.org/images/social-share.svg</url><link>https://about.marcuspoon.eu.org/images/social-share.svg</link></image><generator>Hugo</generator><language>en-us</language><lastBuildDate>Wed, 06 May 2026 19:50:00 +0800</lastBuildDate><atom:link href="https://about.marcuspoon.eu.org/about-work/index.xml" rel="self" type="application/rss+xml"/><item><title>Why Texture Differences Cause Major Color Matching Issues</title><link>https://about.marcuspoon.eu.org/about-work/why-texture-differences-cause-color-matching-issues/</link><pubDate>Wed, 06 May 2026 19:50:00 +0800</pubDate><guid>https://about.marcuspoon.eu.org/about-work/why-texture-differences-cause-color-matching-issues/</guid><description>Why identical pigments look different on textured surfaces, why Delta-E fails to match human perception, and why process control matters more than formula tweaking.</description></item><item><title>The Rule of Three: Statistical Sampling for Quality Verification</title><link>https://about.marcuspoon.eu.org/about-work/rule-of-three-quality-sampling/</link><pubDate>Tue, 05 May 2026 12:00:00 +0200</pubDate><guid>https://about.marcuspoon.eu.org/about-work/rule-of-three-quality-sampling/</guid><description>How to use the Rule of Three to determine appropriate sample sizes when verifying defect rates and validating customer complaints in quality control scenarios.</description></item><item><title>Bridging the Gap: Why Flat-Panel Corrosion Standards Fail Real-World Manufacturing</title><link>https://about.marcuspoon.eu.org/about-work/bridging-flat-panel-corrosion-standards/</link><pubDate>Tue, 05 May 2026 10:00:00 +0200</pubDate><guid>https://about.marcuspoon.eu.org/about-work/bridging-flat-panel-corrosion-standards/</guid><description>A technical deep-dive into why ASTM flat-panel corrosion testing standards create fundamental mismatches when applied to complex 3D manufacturing products.</description></item></channel></rss>