A tire pump tool in time of emergency, particularly in areas that do not have an air pump. Using air from the exhaust. Help users who have emergency tire puncture pump tires quickly and easily. A mobile pumping aid and easy to use wherever you are.
A tool that is designed to help the blinds to walk. The tool is mounted on an existing stick (white cane). Affordable equipment.
A teaching aid to make it easier for students to understand the operating principle of fire and gas detector. Inexpensive and practical. Easily controlled. Able to attract students’ interests.
