題組內容

Dialogue 4 Inquiring (1%)
A: How many basic ways are there for fire-fighting? What are they? (1%)
B: There are several ways: isolating mode, stifling mode, cooling mode and chemical inhibiting mode. (2%)
A: Could you tell me how to use the dry powder extinguisher? (1%)
B: Hold the forward part of the rubber spray tube with one hand and aim it at the burning object, then pull the lift ring up and hold the handle with the other hand.(2%)