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предохранительно взводящее устройство stresses
mil.	safety and arming
предохранительно-взводящее устройство
astronaut.	safety and arming device; safe and arm device; safety and arming mechanism
mil.	safety and arming unit; safety-and-arming device; safety-and-arming; safety and arming device (взрывателя)
mil., avia.	safe and arm (device); safety and arming (device); safety and arming assembly

предохранительно- взводящее устройство: 2 phrases in 2 subjects

Military	1
Technology	1