Although this was labour intensive and rather crude, it did work.

A new major would have to be "less labor intensive," he said.

The new plant equipment is also much less labour intensive.

It is labor intensive and has a high cost.

The separation of mixed plastic is labor or energy intensive and not cost effective.

This happens even if the technique used is labour intensive.

He impressed upon the group how labor intensive growing grapes and making wine can be.

The process is labor intensive and productivity in this area has been flat for a long time.

However, it also proved to be more labor intensive and expensive.

After two hours of intensive labor, they had accomplished their task.