Compressed gases are contained only in special cylinders, since only in them the gas can withstand pressure. Under pressure, gases do not react with cylinders. The special cylinder also does not pollute the gas. Other cylinders are not suitable for compressed gases and do not fulfill any of the requirements. In addition, compressed gas has a high density and pressure, ordinary cylinders also cannot withstand, unlike special cylinders designed for compressed gas. A simple ordinary balloon may simply not withstand high pressure and explode.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.