Sentence examples for be worked on a from inspiring English sources

Coal, which underlies almost the whole surface of the Glamorgan uplands, began to be worked on a large scale toward the mid-18th century.

Children may enjoy hearing how many delightful variations can be worked on a sequence of sounds they might associate with dreary practice.

Porphyry copper deposits commonly contain hundreds of millions of metric tons of ore that averages a fraction of 1 percent copper by weight; although they are low-grade, the deposits constitute important sources because they may be worked on a large scale at low cost.

As a stand-alone hydraulic bulging fixture, the tooling can be worked on a conventional press, even on a single action press.

We should be working on a third-generation vaccine".

(He is working on a prototype).

I'm working on a memoir now.

He has been working on a memoir.

She is working on a memoir.

We're working on a succession plan.

You are working on a documentary.