proper

英 ['prɒpə(r)]美 ['prɑːpər]

1. ( correct, fitting ) [ +equipment, place，+procedure, way, manner，+word, term ] 合适的；恰当的，适当的，正确的；合适的

You have to have the proper equipment.

the safe and proper use of such kits

此类装备的安全与恰当使用

He helped to put things in their proper place.