We need certain workers, strong, with perhaps some mechanical experience.

The state recommended that every health-care center develop procedures to set limits for certain workers.

He would, for instance, claim that certain unskilled workers were essential to the factory.

Some employers don't allow certain workers to have this surgery because of the slight risk that it can cause permanent problems.

And that means certain workers are bound to get closer scrutiny.

Companies are free to challenge whether the ruling applies to certain workers.

You may also consider documents that explain the day-to-day tasks certain workers must do.

Amongst certain workers the average number of children born to a family fell by nearly 35 per cent between 1900 and 1911.

From here, it is only a very small step to state that certain workers cost too much.

It is clear that certain workers claim to be self-employed but are not.