This is a user-friendly conceptual stairs, is a clever idea, In addition to the use of ordinary stairs into a ramp to help the elderly and some difficult action simply upstairs; well as thosethe need to carry heavy items people use the shopping cart or trolley; stairs largest purpose is to minimize accidental falls and injuries. You can install it in the existing stairs, do not need special construction of a new ramp, it is designed for easy installation the applicable minimal construction and maintenance costs.
