What is "worked on"

Usage examples of "worked on".

Breitenbach had no military experience whatsoever but had worked on both armor and close-in defense weapons in the design team.

Instead he took a few minutes to work it out in his mind while I worked on my beer.

I had worked on the project during crafts period for five days in a row, lavishing care on details and striving for perfection as I had never done before.

The family worked on the plans for the plot together each year, crying new things as well as the top ten favorites.

They worked on two final stones that jutted into the hole and stopped their passage.

It worked on the principle of reverse gravity, and the platform, which moved up or down in a synthetic attraction field, was large enough to accommodate all ten of the police together with their captive.

The operatives are perfectly right in thinking that if all worked on Sunday, seven days’.

Usually our house is filled with noise, but the only sound I heard as I worked on my math problems was Mom in the kitchen above me.