Preparing equipment for upcoming activity.

Debt level relative to equity.

Gear system using helical screw.

Reducing speed using lower gears.

Transmitting power between parallel shafts.

(finance) A form of leveraged speculation in which a speculator borrows money to buy an asset, but the income generated by that asset does not cover the interest on the loan

Gear system allowing different speeds.

An epicyclic gear train (also known as a planetary gearset) is a gear reduction assembly consisting of two gears mounted so that the center of one gear (the "planet") revolves around the center of the other (the "sun").