machine guard造句

• It's one of the ways U-Scan machines guard against fraud.
• Sierra Leone soldiers manned heavy machine guards behind sand bags to hold the Mano River bridge to civilian traffic only.
• Three were listed as serious, including failures to have a machine guard on a drill press and a procedure for disabling a machine during maintenance.
• It can be used in a wide range of applications including food packaging, indoor and outdoor signs, point-of-displays, medical equipment packaging, and industrial machine guards.
• Many of the same violations showed up at different factories, including excessive overtime hours, locked doors and fire exits, inadequate emergency plans or equipment, overcrowded and dirty facilities and lack of protective clothing or machine guards.