Slotted Keyless Cam Lock, For Door Thickness (In.) 1/4 with Bright Nickel Finish Keyless Slotted Cam Locks. Use Keyless Slotted Cam Locks for drawers and doors that do not require a key for locking. Sets include 2 double-punched cams for mounting latch flexibility, plus hardware. 180Â° cam rotation.
propulsion. n. 1. the act of propelling or the state of being propelled. 2. a propelling force. [C15: from Latin prÅpellere to propel].
An engine is a device that burns or otherwise consumes fuel, changing its chemical composition, whereas a motor is a device driven by electricity, air, or hydraulic pressure, which does not change the chemical composition of its energy source. However, rocketry uses the term rocket motor, even though they consume fuel.