Self-adhesive plastic sheets, non-adhesive plastic sheets, and recycled plastic sheets, all the foregoing for use in manufacturing; self-adhesive coated plastic sheets, non-adhesive coated plastic sheets, and recycled coated plastic sheets, all for use in manufacturing; self-adhesive plastic sheeting, non-adhesive plastic sheeting, and recycled plastic sheeting, all used to cover and protect surfaces where people eat, play, and work