Sentence examples for by human power from inspiring English sources

A manual wheelchair is propelled by human power, and an electric-powered wheelchair is propelled by an electrically based power source (typically a battery and electrical motor).

Manual wheelchair means a device that is propelled by human power, designed for and used by a mobility-impaired person.

Although many aspects of life changed during the agricultural period, it is likely that energy demands remained high, with much of the work still done by human power.

Particularly notable is the fact that all of these techniques of food production were achieved by human power and simple hand tools.

Vehicle means every device in, upon, or by which a person or property is or may be transported or drawn on land, except snowmobiles and devices moved by human power or used exclusively upon stationary rails or track.

Bicycle means every device propelled solely by human power upon which a person or persons may ride on land, having one, two, or more wheels, except a manual wheelchair.

The answer to this suggestion is that, in the eye of the law, the right to enjoy one's religious belief, unmolested by any human power, is no more sacred nor more fully or distinctly recognized than is the right to impart and receive instruction not harmful to the public.

By harnessing human power to move the pee, Professor Ieropoulos and his team are able to create an energy system that can be used in refugee camps and the developing world.

The farming methods are traditional by using human power or with the help of Sumba horses and water buffaloes.

The powerful thrust of the escaping air lifts the entire fixture and vehicle assembly several millimetres off the floor, enough to permit movement by tractor or human power.

It may do so by substituting animal power for human power or by gradually introducing labour-saving machinery.