We all know that a construction site is a dangerous place, and you must wear a safety helmet when entering and leaving. There are also high-voltage lines at high places, sharp objects such as nails, etc. on the ground, and there may be accumulated water and dangerous corrosive chemicals. Of course,
We all know that a construction site is a dangerous place, and you must wear a safety helmet when entering and leaving. There are also high-voltage lines at high places, sharp objects such as nails, etc. on the ground, and there may be accumulated water and dangerous corrosive chemicals. Of course,
We all know that a construction site is a dangerous place, and you must wear a safety helmet when entering and leaving. There are also high-voltage lines at high places, sharp objects such as nails, etc. on the ground, and there may be accumulated water and dangerous corrosive chemicals. Of course,