place, person, or thing from which something comes or can be obtained. To get, e.g. a raw material, from somewhere.

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viewing of something before generally available. display something before generally available.

Being what was wanted or needed. used to greet someone in polite or friendly way. Friendly greeting to someone who has arrived. To greet someone who has just arrived.

having specified appearance. To appear to be when you look at them; seem.

stock of resource from which person or place can be provided with necessary amount of that resource. Specific things needed to perform a certain task. To give or sell goods to others for their use.

bring into existence.

mathematical determination.

action of helping or doing work for someone. Maintenance of machineries so it runs well, e.g. cars. To maintain a piece of machinery so it runs well.

Existing or happening before the present time.

structure with roof and walls. To construct a house, office, factory.

take place of.

made larger. To reach from one point to another.

To show how something works (e.g. product).

Main; important. Distinctive or important point of something. have as prominent attribute or aspect.