121. In a fixed carbon dioxide extinguishing system for a machinery space, designed WITH a stop valve in the line leading to the protected space, the flow of CO2 is established by actuating __________.

Comments (0)

There are no comments at the moment. If you found an error or think question is incorrect, tell everyone about it

Progress: 24% (23/94)?

Learning progress ?
101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125
5/118