The use of housekeeping practices of waste minimisation constitutes one of the most economic ways to prevent pollution.

The housekeeping practices include an improvement of the management techniques of materials, stock and waste, a separation of the waste streams and a more effective plan of the production. Moreover, they include improving the maintainance techniques of the equipment and training the personnel on the company's policies for the waste minimisation.

Some housekeeping practices, such as sorting out the waste, planning the production, maintaining the equipment and educating and inducing the personnel, can be applied immediately with minimal cost.