Training in the field, refresher up-dating courses, scrupulous conformity with accident prevention requirements and information concerning related risks, all this aimed at creating professionals. Entrusting services to these operators means obtaining a flexible organisation, to be able to make use of persons that are motivated, having an experience that is geared to their roles and prepared for new technology. This, together with the conscience and conviction, that not only will such a partnership bring about personal success, but that this may be measured too against the success of the client himself.