11.   Most quality bicycle helmets contain not only a layer of hard plastic but some form of polyurethane liner to absorb and lessen the impact.

12.   Simpson said most football and hockey headgear still is made from polycarbonate, a hard plastic.

13.   The control fob is tacky hard plastic, and the buttons, which are hard to differentiate in the dark, work tentatively.

14.   The scriber looks like a utility knife but is made for hard plastic.

15.   The way snowshoeing guide Lee Benavidez describes the activity, one would think the platforms of aluminum frames, hard plastic and crampons would practically lift themselves.

16.   There is a lot of hard plastic.

17.   This solution will not harm any painted or varnished surfaces, or hard plastic, Corian, granite.

18.   PVC is a hard plastic used in building materials such as pipes and house siding.