I have used and seen many pliers of all kinds. Never heard of that name before. In general all pliers are used to grip ,hold or cut things, each with a slightly different usage.
Mechanical pliers are pliers that are used in mechanical jobs, like fixing motor parts, auto parts, machines , etc.
A pulley or pliers
You can grip things tightly with them.
Long nose pliers can hold things in awkward locations.
Snippers, electrical pliers, compression pliers and a multimeter.
All technicians, electricians, plumbers and handymen use pliers almost every day.
Long nose pliers are for gripping things in small, awkward areas where fingers or standard pliers won't fit.
Pliers are a cheap and easily available tool. There are many different kinds,with different uses.
what are mechanical clocks
A power station generator uses mechanical energy produced by the steam turbine.
Long nose pliers can hold things in awkward locations.
In a pair of pliers, the fulcrum is the pivot point where the two handles meet. This allows the user to apply force on one end of the tool while the jaws exert a different force on the other end. The position and design of the fulcrum determine the mechanical advantage of the pliers.