User talk:2601:44:437F:F2D0:94CA:1BD:3AB6:DA50

Floor slip resistance testing
The information at the end of the article is misleading regarding the unsubstantiated claim that: "The English XL and Brungraber Mark IIIB instruments ... are only very popular with full-time American "expert" witnesses, who have found that they can easily manipulate these devices to get whatever answer a particular lawyer is paying them to get".

There is no factual or technical basis for the claim. Unlike the preceding sentence there are no cited references for this statement. The statement does not establish what constitutes a "full-time American "expert" witnesses" and implies that "full-time American "expert" witnesses" are not honest.

The test results are not that easy to manipulate when the published operating procedures are followed. When the testing is done in the presence of a qualified opposing expert, manipulation of the testing and the results would be noted. As far as "very popular with full-time American "expert" witnesses", a google search of English XL users includes a long list of Insurance companies.