18.104.22.168. For the purposes of this subdivision,
“protective clothing” means clothing that:
(a) resists the penetration of asbestos fibres;
(b) covers the worker’s body, excluding his face, hands and feet;
(c) is closed at the neck, wrists and ankles;
“work carried out outside” means work entirely carried out elsewhere than in a building used, having been used or intended to be used to shelter or receive persons, animals or things.