What are the safety precautions when using electric-motor type building hoists?

When using electric-motor type building hoists, safety precautions include: ensuring all safety devices are in good working order, regularly inspecting and maintaining the hoist, following the manufacturer's guidelines, never overloading the hoist, keeping the hoist and its surroundings clean and free from obstructions, using proper lifting techniques, ensuring the hoist is stable and secure, wearing appropriate personal protective equipment, and training operators on the safe use of the hoist. Adhering to these precautions can significantly reduce the risk of accidents and ensure the safety of workers and the integrity of the construction process.