127 Facilities

Lối Thoát Hiểm

Câu Hỏi 1 of 1

  Thời Gian Còn Lại


0
93368
0
120
block

Each marine transfer area for LHG must have a siren that is audible for at least __________ from the transfer connection in all directions.

Chọn câu trả lời đúng  

(0/0)












93369
0
120
none
93370
0
120
none
93371
0
120
none
93372
0
120
none
93374
0
120
none
93375
0
120
none
93384
0
120
none
93385
0
120
none