A: A rhombus is an equilateral parallelogram, which is a two-dimensional, four-sided figure in which opposite sides are parallel and all sides have equal length. A square fits this definition. However, it is usually considered a special case, and some definitions of a rhombus specify that squares are not included.
Who invented a piston-driven steam engine that could power all kinds of industrial machinery? A. Edmund Cartwright B. James Hargreaves C. James Watt D. Richard Arkwright. JAMES WATT invented a piston-driven steam engine that could power all kinds of industrial machinery.
Steam Engines. The first steam-powered engine was invented in 1698 by Thomas Savery, although this machine was not intended for powering rail vehicles. Whilst the engine could be used for its intended purpose (raising water), there were several serious flaws in the design.