When it comes to construction safety work, what is the order of inspections must be guaranteed?

Which of the following is the security protection technology for the device?

What is the purpose of keeping the work site tidy?

ONT is the "optical network terminal", commonly known as the light cat, which is usually placed in the living room or study room to provide Internet, video, voice and other services for home users.

Which of the following should be applied to the rope when manually hoisting?