ClipArt ETC
A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. Couplings do not normally allow disconnection of shafts during operation, though there do exist torque limiting couplings which can slip or disconnect when some torque limit is exceeded.

Electrical Coupling

A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting…

A machine used to combine or blend into one mass or mixture.

Mixing Machine

A machine used to combine or blend into one mass or mixture.

When gases of different densities are inclosed in the same space an intimate mixture takes place, so that each gas becomes uniformly diffused throughout the entire space.

Mixture of Gases

When gases of different densities are inclosed in the same space an intimate mixture takes place, so…