How Are Floors Within Operating Suites Designed to Protect Techs

How are floors within operating suites designed to protect techs and staff during surgical procedures?

A) They have non-slip surfaces to reduce the incidence of falls.
B) They contain wicking materials that move excess moisture away from the location where a person is standing.
C) They contain protective coverings that allow for extra cushioning for those who must stand for long periods of time.
D) Both A and C