Such as vs. Such...as

Such as and such…as are the same in meaning and can be used in many cases instead of each other but there are differences between them:

Similarities

They are used to introduce examples:

- ..careers such as/such careers as teaching, nursing, hairdressing and catering.

- ...delays such as/ delays caused by such things as bad weather or industrial disputes.

- On a day such as today/on such a day as today, it's hard to imagine that things will ever be normal again.

 You use such...as to link something or someone with a clause in which you give a description of the kind of thing or person that you mean.

- Each member of the alliance agrees to take such actions as/ take actions such as it deems necessary, - Including the use of armed force...

- Britain is not enjoying such prosperity as/ the prosperity such as it was in the mid-1980s.

- Children do not use inflections such as/such inflections as are used in mature adult speech...

Differences

You use such...as to introduce a reference to the person or thing that has just been mentioned.

- There have been previous attempts at coups. We regard such methods as entirely

unacceptable...

- There'd be no telling how John would react to such news as this.

We use such...as in formal style for emphasizing that something is not enough for a particular purpose:

- Such experience as I have is useless in this situation.

- Such changes as they made were minor and did not go far enough.

- Such food as they gave us was scarcely fit to eat.

- Such advice as he was given (= it was not very much) has proved almost worthless.

Note that in this sense it is synonymous with  inadequate, insufficient, scant, meager, pitiful.