20 13 In the early morning of the first day, Hangzhou Youcheng Machinery Co., Ltd., located in Lingang Industrial Park, Guali Town, Xiaoshan, Hangzhou, suddenly caught fire. Xiaoshan fire brigade

(1) Fire extinguishing methods include: isolating oxygen, lowering temperature and isolating combustible materials. When water is used to extinguish the fire, the temperature of combustible substances is reduced below the ignition point through the evaporation of water;

(2)A, when heating the liquid in the test tube, the mouth of the test tube should not be directed at yourself or others, otherwise it will hurt people because the droplets splash out, so A is correct;

B, add alcohol to the burning alcohol lamp, because alcohol is flammable and easy to catch fire, so B is wrong;

C, oil depots, flour mills, textile mills, coal mines all contain flammable particles, and fireworks should be strictly prohibited, otherwise it is easy to cause fire or explosion, so C is correct;

D, when there is a gas leak in the kitchen at night, you should immediately close the valve, open the doors and windows for ventilation, and you can't turn on the light, so D is wrong;

(3) In the event of a fire, first of all, calm down: choose the best self-rescue plan according to the actual situation of the fire, and don't panic; If the fire is not big, you can choose appropriate methods and fire extinguishers according to the cause of the fire. When the fire has not spread indoors, close the doors and windows to prevent fireworks from entering. In addition, you should bow your head close to the ground and try to stay away from the fire source to avoid the poisonous smoke in the air. ? Try to get out of danger: the bottom residents naturally have to make a dash for the door. If the corridor is blocked by fire and cannot pass, they can slide down from the drain on the wall or jump off the balcony with ropes layer by layer. ? Display distress signal as soon as possible and call 1 19 for alarm; Never delay the chance to escape because of greed;

So the answer is:

(1) Reduce the temperature of combustion products below the ignition point;

(2)BD；

(3) Cover your nose and mouth with a wet towel and bend down to escape (or display the distress signal as soon as possible and call 1 19 for alarm, etc.). ).