On-site installation of bolts means that the installation staff go to the construction site to install the corresponding bolts! During the on-site installation process and during the waiting period after installation, special personnel (at least two persons are deployed at both ends) must be assigned to maintain the order of the operation site, and large-scale projects must pull out the security isolation line to prevent the entry of idle personnel. Especially when the system is about to start, there must be a special person to check to ensure that no other people enter the dangerous area.
