What are the application areas of waterproof connectors?

Waterproof connectors can be applied to various fields such as: Coastal, along the river, along the lake or in underwater engineering, mining engineering, underground engineering, snow engineering, landscape engineering, food industry, beverage industry, brewing industry, wine industry, aquaculture, shipbuilding industry, construction industry, oil industry, chemical industry, modern agriculture, water supply and drainage engineering, municipal engineering, LED high-power street lights need to use waterproof connectors.