Discharge / dispensing equipment is equipment that ejects a gas or liquid. There are air blow guns, spray guns, tanks, paint pumps, etc. Air blow guns are used to blow off dust and moisture using air, to inflate bicycles, etc. Spray guns are devices that apply liquid with high-pressure air and are used for painting, in addition, at the manufacturing site, spray guns are used to apply sorting marking agents, apply water and oil for cooling, and lubricate lubricants, drive chains, etc. In addition, if an industrial spray gun is used for food production, lubricants and materials that are not suitable for food may be used, so it is necessary to select a dedicated one that complies with the Food Sanitation Act of Japan. A tank is a container for maintaining and storing the liquid to be applied in a sealed state. Attach an agitator for those that need stirring, depending on the type of liquid. Paint pumps include piston type, plunger type and diaphragm type, depending on the type of electric pump.