incidental. Contingent upon or pertaining to something that is more important; that which is necessary, appertaining to, or depending upon another known as the principal.nder Workers' Compensation statutes, a risk is deemed incidental to employment when it is related to whatever a worker must do in order to fulfill the employment contract, but is not the primary function that the worker was hired to do.
A cultivator is both a general term for any tool that is used to prepare soil for planting, and the name of four specific tools: a piece of machinery attached to a tractor, a small engine-propelled machine, a hand-action tool, and a traditional hand-tool.
Agitators and impellers are devices that top-loading washers use to move clothes during the wash cycles and, in the process, get rid of dirt and stains. An agitator is a spindle that sticks up in the center of an automatic washing machine's wash drum. The agitator is usually equipped with fins or vanes, and it twists and turns during the machine's wash cycle, moving clothes through the water and, ideally, removing dirt from them.