1
to use machines to make goods or materials, usually in large numbers or amounts
2
as much as is needed for a particular purpose
3
an official rule or order
4
to use something as the thing from which something else is developed
5
a substance that is added to food to improve its taste, appearance etc.
6
to work in the correct or intended way
7
to need the support, help, or existence of someone or something in order to exist, be healthy, be successful etc
8
to stop something from happening, or stop someone from doing something
9
to think that something is true, although you do not have definite proof
10
to start to be seen, to arrive, or to exist in a place, especially suddenly
11
to allow something to happen, especially by an official decision, rule, or law
12
to start to decay
