B Fire can start in forests, homes and schools. It's very dangerous. What should we do when there is a fire? We should go outside quickly. And we have a fire drill(操练) at school every year. A fire drill is not a real fire. It helps us prepare for(为… …准备) a real ...
Fuel Source: The fuel source for a Class A fire is typically organic, carbon-based materials that are easily ignitable. Burning Behavior: Class A fires burn with a steady flame and produce heat, light, smoke, and often significant amounts of ash. Safeopedia Explains Class A Fire Extinguishin...
A Class C fire is a fire that involves electrical equipment, electrical appliances, or electrical wiring. They are caused by energized electrical elements, such as damaged power cords or overloaded electrical outlets. It is one of the five classes of fires, along withClass A,Class B,Class D,...
BFire can start in forests, homes and schools. It is very dangerous. What should we do when there is a fire? We should go outside quickly. And we have a fire drill at school every year.A fire drill is not a real fire. It helps us prepare for(为……准备) a real fire. This ma...
Type:Portable Fire Extinguisher; Object:Class B Fires; Size:4.5kg(10lb); Portable Extinguisher:CO2; Effective Range:2.5m; Retirement Life:10 Years; Power Source:Gas Fire Extinguisher; CO2 Fire Extinguisher:34CrMo4 Steel Cylinder; Portable CO2 Fire Extinguisher:PED 97/23; ...
caused考查翻译.分析句子可知what ___(造成) the fire是宾语从句,从句中缺少谓语动词,根据句意:你知道是什么引起火灾的吗?可以判断火灾已经发生,所以用一般过去时,cause是动词"引起,造成",故答案填caused. 你知道是什么引起火灾的吗?结果一 题目 阅读理解. Jenny was a student in my class. She lived in a...
趣味英语 | You have no class 不是“你没课”,别被人说了都不知道! 趣味英语 | “上火”用英语怎么说?肯定不是“I’m on fire” 趣味英语 | 老外对你说“Bite me”是什么意思?“你咬我啊??” 趣味英语 | 老外说I ...
Most class D fires occur when the combustible metals are in dust, flake, shaving forms or molten. A class D fire cannot be extinguished by water as it produces hydrogen at high temperatures and eventually an explosion occurs and spreads of fire further. It is, therefore, a special extinguishi...
B Fire can be very dangerous. This is what to do in a fire.Shout out t Shout as loudly as you can, because people may be sleeping.Call 119Get out Don't try to put out (灭) the big fire by yourself. Tell 119 about the fire.No lift Do not stop to take anything. A fire can...
Professor: OK, as we said in the last class, the general consensus among scientists is that earth is 4.5 billion years old.So, what was earth like, when it was a new planet, 4.5 billion years ago? Kitty? Student: Um, it was pretty much covered in magma, with really fiery conditions...