Oxygen is our basic survival conditions, no oxygen, we cannot survive, we can see some patients in the hospital is needed medical oxygen tanks, because these patients only by providing oxygen, oxygen tank to breathe normally, so for the oxygen tank storage have strict requirements. So what are the a

Generally, a substance that is in a gaseous state at normal temperature and pressure is called a gas. A wide variety of gases, classified by nature, can be divided into inorganic gases and organic gases; according to ancient classification, can be divided into constant gas and trace gases, classifie

The gaseous fuel can be directly used as a fuel for an internal combustion engine or the like, and can also be used as a raw material for industries such as synthetic ammonia, artificial petroleum, and organic synthesis.Gas fuel is a kind of high-quality, high-efficiency and clean fuel. Its ignition

In fact, many people do not use fire extinguishers correctly. Moreover, heavier fire-fighting equipment may not be available to the elderly and children. This not only delayed the fire, but also caused unnecessary casualties. So missed the best time to fire. Today Xiao Bian brought everyone the gosp