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2. Janka hardness test - Wikipedia

   en.wikipedia.org/wiki/Janka_hardness_test

   For hardwood flooring, the test usually requires an 80 mm × 150 mm (3 in × 6 in) sample with a thickness of at least 6–8 mm, and the most commonly used test is the ASTM D1037. When testing wood in lumber form, the Janka test is always carried out on wood from the tree trunk (known as the heartwood), and the standard sample (according to ...

3. Floor slip resistance testing - Wikipedia

   en.wikipedia.org/wiki/Floor_slip_resistance_testing

   There have been numerous floor slip resistance testing tribometers and lab devices produced around the world to measure both the static (stationary) and dynamic (in motion) coefficient of friction, but presently there are only a few that have been proven to be reliable for obtaining useful safety results and that have current official test ...

4. Taiwanese units of measurement - Wikipedia

   en.wikipedia.org/wiki/Taiwanese_units_of_measurement

   Taiwanese units of measurement (simplified Chinese: 台制; traditional Chinese: 臺制; pinyin: Táizhì; Pe̍h-ōe-jī: Tâi-chè; Hakka: Thòi-chṳ) are the customary and traditional units of measure used in Taiwan. The Taiwanese units formed in the 1900s when Taiwan was under Japanese rule. The system mainly refers to Japanese system. The ...

5. Shewhart individuals control chart - Wikipedia

   en.wikipedia.org/wiki/Shewhart_individuals...

   For processes that produce homogeneous batches (e.g., chemical) where repeat measurements vary primarily because of measurement error; The "chart" actually consists of a pair of charts: one, the individuals chart, displays the individual measured values; the other, the moving range chart, displays the difference from one point to the next.

6. Alfa Anderson, Vocalist Behind Chic Hits Including 'Good ...

   www.aol.com/lifestyle/alfa-anderson-vocalist...

   Alfa Anderson, a vocalist known for her work with the iconic 1970s disco band Chic, has died. She was 78. Niles Rodgers, founder of Chic, shared the news in an Instagram post on Dec. 17. “RIP ...

7. Sam Altman says Elon Musk is 'clearly a bully' who likes to ...

   www.aol.com/news/sam-altman-says-elon-musk...

   Open AI CEO Sam Altman isn't done firing shots at Elon Musk. Altman said the Tesla boss was "clearly a bully" who likes to pick fights with rivals.