Navodila morajo vsebovati risbe in diagrame, ki so potrebni za zagon, vzdrževanje, nadzor, preverjanje pravilnosti delovanja, in kadar to pride v poštev, popravila strojev, ter vse koristne napotke, posebej o varnosti.
The instructions must contain the drawings and diagrams necessary for putting into service, maintenance, inspection, checking of correct operation and, where appropriate, repair of the machinery, and all useful instructions in particular with regard to safety.