1. work premises: rooms that the undertaking uses in connection with the work such as workrooms, personnel rooms, access areas etc.; 2. workplace: any place, whether indoors, outdoors or underground, where work of a permanent or temporary nature is carried out; 3. workroom: a room in which employees must be present in order to carry out work that forms part of the undertaking’s regular activities; 4. work equipment: technical installations etc. such as machinery, lifting equipment, safety components, containers, means of transport, appliances, installations, tools and any other object used in connection with the production of a product or the performance of work; 5. access route: roads, stairs, corridors, lifts etc. used by employees to get to workplaces or between workplaces and personnel rooms; 6. biological agents: live or dead micro-organisms, cell cultures, endoparasites and prions that can cause infections, allergies or toxicity in humans; 7. acoustic signal: a coded acoustic signal that is triggered and transmitted with the aid of a device that is designed for this purpose, without the use of a human or artificial voice; 8. light signal: a signal emitted through a device designed for lighting from the inside or from behind in a way that lights up the surface; 9. personnel room: changing room, drying room, washroom, shower room, lavatory, messroom, rest room, break room or sleep room; 10. fume extractors: a device that removes polluted air near the source before the pollution spreads to the surroundings; 11. risk: a function of the probability of an undesirable incident taking place and the consequences for the employees’ life or health; 12. safety signage: signs that, by means of shapes, symbols, colour and, if relevant, text, provide information and instructions on how to behave in different situations with regard to safety or health; 13. jetting device: a collective term for devices that control the direction of a jet of fluid. Includes the nozzle, extension, holding and support devices and valve devices to control the flow of liquid. The pressure of the jet exceeds 25 bar; 14. hot work: work where heat is used, such as open flame, hot surfaces or ignition sparks. Hot work also includes work operations such as welding, soldering, torch cutting and grinding of metal etc. which can also give rise to hazardous gases; 15. warning colours: colours with a specific meaning that warn of hazardous conditions;
