1.Waterproofhandle & pada isinmi.
2.Patented & waterproof back šiši angẹli 360 ° pada šiši.
3.Medical abs base plate waterproof galvanized, irin, fifuye ti o pọju 120kg.
4.Solid, irin iwe galvanized, irin iwe mabomire lagbara acid derusting iga adijositabulu.
5.Wheel waterproof medical silent wheel four wheeled brake customized wheel and bearing.