It was a crude tool, obviously wrought by someone who had almost nothing to work with.

But the graphite reactor was a crude tool for experiments on humans.

These people didn't have a language, and knew only how to use the crudest tools and fire.

This is a somewhat crude tool of analysis.

Something had chipped through it using very crude tools.

They are the crudest tool for those who have few options.

My early work was done using personal ads, a crude tool (although state of the art in 1995).

But the grueling days, trying to clear new fields with bare hands and crude wooden tools, wore her down.

These techniques are extremely crude tools for personal planning.

In my belief it is incorrect to use such a crude tool as a common European charge for this issue.