398. Principles of prevention to be applied.

Where an employer implements any preventive and protective measures1 he must do so on the basis of the following principles2:


    (1)     avoiding risks3;


    (2)     evaluating the risks which cannot be avoided4;


    (3)     combating the risks at source5;


    (4)     adapting the work to the individual, especially as regards the design of workplaces, the choice of work equipment and the choice of working and production methods, with a view, in particular, to alleviating monotonous work and work at a predetermined work-rate and to reducing their effect on health