Diving equipment is divided into engineering diving and recreational diving two kinds
Engineering diving
The requirements are more stringent, mainly used in salvage and rescue underwater engineering, including: underwater communication helmet surface control station gas cylinder pressure reducing valve pressure gauge diving suit weight
Recreational diving
The equipment comfort requirements are higher, generally including: diving bottle a two-stage breathing apparatus pneumatic barometer BCD buoyancy vest diving suit diving weight and weight with diving flashlight diving knife fins face mirror breathing tube diving boots