_____ is a light gas-operated semiautomatic rifle.: ответ на тест 230646 - Английский язык

The XM174 grenade launcher is _____ operated and can fire semiautomatic or automatic.

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Coloured lights give the indications at night. The semaphore mechanism is equipped with lenses illuminated by a lamp, so that a red light shows when the semaphore is in the “stop” position, a green light – when the semaphore is in the “proceed” position, and a yellow light – when the semaphore is in the restrictive position. The colour-light signal sometimes used is known to have semaphore arm and give both day and night indications be means of red, green and yellow lights. We know some signals to be operated by hand, others to be automatic.

_____ is the forward section of a self-propelled missile, bomb, torpedo, or the like, containing the explosive, chemical, or atomic charge.

_____ is a structural device designed to support and hold a missile in position for firing.

_____ is an armored, self-propelled combat vehicle, armed with cannon and machine guns and moving on a caterpillar tread.

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M113 type vehicles are not common for the U.S. Army.