Where can use waterproof zippers

Where can use  waterproof zip and airtight zippers?

Cover: navigation engine, electropult, weapon ammo, exploder, and chemical, missile, airplane, important instrument and container.

Protection: space suit, diving suit, immersion suit, life jacket, fishery suit, protective clothing, decompression clothing, radiation protective

clothing.

Others: air lock room, water walking ball, tent, life raft, survival instrument, shipping instrument, hovercraft, water bed and so on.