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When we are meeting we always laugh and tell jokes to each other.
Testing on animals should be strictly regulated by the European Union law.
The restriction should embrace cosmetic corporations which are testing new products on animals.
This kind of research is not useful it is only a whim.
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When we meet, we always laugh and tell jokes to each other.
Testing on animals should be strictly regulated by European Union law.
The restriction should embrace cosmetic corporations which are testing new products on animals.
This kind of research is not useful. It only caters to whims.
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When we are meeting we always laugh and tell jokes to each other. OK. The simple past "meet" is more natural.
Testing on animals should be strictly regulated by the European Union law. The definite article can be used, especially with the plural "laws," but it is more natural with no article.

The restriction should embrace include / cover cosmetic corporations which are testing new products on animals.

This kind of research is not useful; it is only a whim.