Treadmill
Of mill. May also be referred to as tread-wheel and treadwheel.
A mill that is powered by men or animals walking on a circular belt or climbing steps.
This concept's ID is @1~24697
Of mill. May also be referred to as tread-wheel and treadwheel.
A mill that is powered by men or animals walking on a circular belt or climbing steps.
This concept's ID is @1~24697