iNGENET - La comunidad de la ingeniería mexicana

1. What is the reason Residential elevator the elevator can run when the elevator hall door is not closed in place? Answer: It must be the switch that detects the hall door in place is broken, or there is a […]

Preparation work before site measurement of elevator shaft 1. If there is lifting equipment on the spot, you can measure the machine room and the top floor to save energy. You should also borrow a helmet from the construction unit […]