130kv camera room protection thickness is not less than what.

130kv camera room's protective strength thickness is not less than 1 mm ... It is stipulated that the computer room should be provided with observation windows or camera monitoring devices, and their positions should be convenient for observing the state of the subjects and opening and closing the protective doors. Sundries unrelated to equipment diagnosis should not be piled up. Power ventilation device should be set up and good ventilation should be maintained.