This floor slip resistance testing method , developed by the McDonald 's Restaurant chain .
This floor now specified by many other property owners ( e.g. Westfield , Aldi , Toyota ) assesses the effects of mild abrasion on wet slip resistance .
This floor slip resistance testing method , developed by the McDonald 's Restaurant chain and now specified by many other property owners ( e.g. Westfield , Aldi , Toyota ) assesses the effects of mild abrasion on wet slip resistance .