There are no metal parts to rust or corrode, it is impervious to chemicals, sunlight, and is shock absorbent.
(no metal parts; to rust; ) (no metal parts; to corrode; ) (it; is; shock absorbent) (it; is; impervious to chemicals, sunlight)
no metal parts no metal parts it it
to rust to corrode is is
shock absorbent
impervious to chemicals, sunlight