sign referring to a specific object, activity or situation and providing information or instructions about safety and/or health at work by means of a signboard, a colour, an illuminated sign or acoustic signal, a verbal communication or a hand signal, as the case may be
Where containers and pipes for hazardous chemical agents used at work are not marked in accordance with the relevant Community legislation on the labelling of chemical agents and on safety signs at the workplace, the employer shall ... ensure that the contents of the containers and pipes, together with the nature of those contents and any associated hazards, are clearly identifiable.
