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The possessive form of the noun worker is worker's.Example: I found a worker's ID badge in the parking lot.
The correct spelling is "construction worker" (involved in constructing buildings and roads).
co-worker
That is the correct spelling of "librarian" (worker or director of a library).
The worker who paid £125 should get paid £687.50 and the other worker should get paid 812.50.
That is the correct spelling of "steamfitter" (a worker in steam plants and engines).
You should, unless that illegal "alien" is a family member or friend. Or a worker/co-worker.
It is correct. The basic sentence is, "Worker is lazy." The subject is "worker". The connecting verb is "is", and the predicate adjective is, "lazy". "The" modifies "factory's", and "The factory's" modifies "resident". "The factory's resident" and "blithe" modify worker and "not" modifies "lazy". Of course the use of "not" to modify "lazy" changes the entire meaning of the sentence.
A worker should be neat, clean, and well organized. They should also have some knowledge and training on cosmetology and its common practices.
Your weakest points as a worker are things that you need to improve upon. These are the things you should work on to become an even better worker.
Yes it should be hyphenated: co-worker.