A concrete vibrator could be an ideal tool for contractors who want to speed up the rate of progress on a site.

According to Glyn Sheridan of eHow, concrete vibrators are particularly good for use with large concrete pours.

This, she said, is because they help to cut manual labour and enable contractors to work with larger quantities of concrete at any one time.

However, Ms Sheridan insisted that building professionals must know how to use these specialist tools properly to achieve the best results.

"Today's concrete tools offer experienced contractors, as well as do-it-yourselfers, the ability to pour concrete with good results as long as each tool is used in the correct manner," she commented.

Concrete vibrators can be very good for expelling air bubbles and excess water from concrete after it has been poured.

The Multivibe Hummer Lightweight Concrete Vibrator could be the ideal tool for this task, as it helps to leave your concrete with a smooth finish.