Final Draft/Rev.5 (c) carry out such work with minimum damage to the property of that owner or occupier or telecommunication infrastructure on, over, or under that property; and (d) make good all streets, roads, footpaths, waterways, railways, telecommunication lines or other infrastructure disturbed by such work. (2) A licensee shall be liable for compensation for injury or damage caused to any property including telecommunication lines or other infrastructure if such injury or damage was caused wilfully or through the negligence of its employees. (3) Any person who, either directly or indirectly by his or her servant or employee, by an animal, vehicle or thing owned by that person or in his or her custody, with intention or through negligence, destroys or damages any line, mast, building or other component constituting telecommunication infrastructure, shall be liable to pay the owner or, if applicable, the user of the infrastructure, the cost of making good the destruction or damage. Technical feasibility and compatibility 42. A licensee shall, in order to fulfil essential requirements, ensure that the network operations or services it provides are technically feasible and are compatible with the networks, operations or services provided by other licensees. Essential requirements applicable to terminal equipment 43. (1) Every service provider and every person who supplies telecommunications equipment shall ensure that any terminal equipment provided or supplied by him or her complies with the following essential requirements, that is to say that it(a) is electrically safe for users, subscribers or the employees of the telecommunications system operators; (b) is electromagnetically compatible with other equipment to which it is or will be connected or used; (c) is fitted with a device which will protect the telecommunications system of which it is a part or to which it is connected against electrical, electromagnetic or other similar damage; (d) makes efficient use of the radio spectrum where applicable; and (e) is capable of interworking with other telecommunications equipment for the purpose of establishing, modifying, charging for, holding or clearing real or virtual connections. 22