1403. If you hear a continuous blast of the whistle for not less than 10 seconds supplemented by the continuous ringing of the general alarm bells for not less than 10 seconds, what does this indicate?

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 ?
1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425
57/58