The reason for which something exists or is done, made, used, etc. an intended or desired result; end; aim; goal, the subject in hand; the point at issue. Practical result, effect, or advantage: to act to good purpose.
Depends on where you want to put it! Assuming, that you're asking ~how you'd "install" a Definite purpose contactor.
A definite purpose contactor is designed (and rated) for a specific load. So a lighting contactor is one example of a definite purpose contactor. A motor starter contactor is another example. So, a lighting contactor is a definite purpose contactor, but a definite purpose contactor is not necessarily a lighting contactor (it might be a motor starter, for instance).
talic
For information about the building of Stonehenge and its possible purpose see the related link below.
Solids have definite shape and definite volume. Liquids have not definite shape but have definite volume. Gases have neither definite shape not definite volume.
The requisites of a good written constitution include brief in objectives and broad in purpose. It must also be definite.
WATER has no definite shape but has definite volume.
WATER has no definite shape but has definite volume.
Liquids have a definite volume, but no definite shape.
A vestigial structure is a structure that an organism still has but no longer serves any real definite purpose. In this case, the whiskers on a cat serve a vital purpose, so they are not vestigial structures.
Solids have definite shapes and definite volume.
WATER has no definite shape but has definite volume.