1
single; separate.
2
required to be done, achieved, or present; needed; essential.
3
place or fix (equipment or machinery) in position ready for use.
4
make or manufacture from components or raw materials.
5
the strength and vitality required for sustained physical or mental activity.
6
a change which is a result or consequence of an action or other cause.
7
a series of events that are regularly repeated in the same order.