motor driver वाक्य

:" . . . on the occasion of Mr . Miles'visits, it was her practice to walk about with him armed with revolvers and with the motor driver carrying an acetylene lamp, for the purpose of looking for burglars . . . The burglar hunts used sometimes to go on until 2 o'clock in the morning ".
The first three provincial energy management companies have started their business . The first group of performance contracts signed and implemented by the EMCs and the users include many projects in six fields such as efficient lights, boiler improvement, speed adjustable motor drivers for industrial fans and pumps, electric arc furnaces for steel, electric dynamic hammers replacing steam or air hammers, and heating systems.