A dynamic pump that contains impellers provided with vanes to generate centrifugal force to achieve the required pressure head.
A physical object that is an opening in a barrier and a removable physical object that can block the opening.
An energy transducer that transforms non-electric energy into electric energy.
An electric machine for transforming electric energy into mechanical energy.
A transformer that, by electromagnetic induction, transforms a system of alternating voltage and current into another system of voltage and current usually of different values and at the same frequency for the purpose of transmitting electrical power.