222. Which of the following is true about a "dry pipe" sprinkler system?

Вариант ответа 1 - A. It minimizes chances of accidental discharge of water.

Вариант ответа 2 - B. It uses less water than "wet pipe" systems.

Вариант ответа 3 - C. It is a substitute for carbon dioxide systems.

Вариант ответа 4 - D. It maximizes chances of accidental discharge of water.