They were set in separate racks; each had its own peculiar operating mechanism.

Changes to the operating mechanism improved the rate of fire to between 800 and 900 rpm.

Action is the term for the operating mechanism of a gun.

In 1974, the original operating mechanism was largely replaced by a new electro-hydraulic drive system.

It had a well sealed dustproof operating mechanism, came with a small 10-round box magazine.

There are several types which use different operating mechanisms.

This article centers on the operating mechanisms of the flight controls.

The curtain is extremely heavy and therefore requires its own dedicated operating mechanisms.

These types have very simple operating mechanisms, based on a venturi pump.

The M1895 uses a unique operating mechanism, which is quite similar to that of a lever-action rifle.