A.lack of toxicity B.the multipurpose extinguishing ability C.bum-back protection D.cooling ability
A.can be used in conjunction with wire or spring-lay rope B.can be stored on decks exposed to sunlight C.can hold a load even when a considerable amount of the yarns have been abraded D.gives audible warning of overstress whereas manila does not
A.used to measure the speed of wind B.in which the pressure of air is measured C.that tells which dirction a storm is coming from D.used to measure the height of waves