Burns are common injuries in our daily life. People can get 小题1: by a variety of things, such as hot oil, steam, fire and so on. There are 小题2: types of burns—first degree, second degree or third degree, depending on which layers of the 小题3: are burned. If the burns, especially the third type, are not properly 小题4: , they may lead to serious problems. So knowledge of first aid is vitally 小题5: .
