Cleaner Facilities Management Blue or dark colour jeans, white/black polo shirt and a hi-vis vest. Black trainers. Cleaning in a factory environment Blue or dark colour jeans, white/black polo shirt and a hi-vis vest. Black trainers. Cleaning in a factory environment Blue or dark colour jeans, white/black polo shirt and a hi-vis vest. Black trainers. Cleaning in a factory environment Blue or dark colour jeans, white/black polo shirt and a hi-vis vest. Black trainers. Cleaning in a factory environment