As to the serious damage to the eyes and skin of the operator results from corrosion inhibitor used in gas compression plant, the necessity of installing emergency shower and eyewash station in the gas compression station is brought up, the detailed information of configuration and design parameters of the emergency shower and eyewash station are also been explained.

The pilot-scale study was carried out to research feasibility of shower water treatment and reuse by novel low fouling NF membrane.

ISD4004 vice device which and can be recorded and played repeatedly and can be used easily,the code recorded in ISD4004 can last for a long time,It is demonstrated that ISD4004 vice device controlled by single chip system is used in voice alarm system of shower vehicle for voice alarming.