For instance, until the adoption of the Machinery Directive[5] in 1989, many national legal frameworks did not adequately regulate the safety and usage of electrical and mechanical machinery, despite the high level of risk involved for those operating such machinery.

All recipient machinery, the operation of which requires a removable mechanical transmission device to connect it to self-propelled machinery (or a tractor), must have a system for attaching the removable mechanical transmission device so that, when the machinery is uncoupled, the removable mechanical transmission device and its guard are not damaged by contact with the ground or part of the machinery.

All recipient machinery, the operation of which requires a removable mechanical transmission device to connect it to self-propelled machinery (or a tractor), must have a system for attaching the removable mechanical transmission device so that, when the machinery is uncoupled, the removable mechanical transmission device and its guard are not damaged by contact with the ground or part of the machinery.

(d) mechanical or electrical appliances or parts thereof of Section XVI (including electrical goods of all kinds), of hard rubber;

(d) Mechanical or electrical appliances or parts thereof of Section XVI (including electrical goods of all kinds), of hard rubber;

Whereas such spray heads contain no mechanical device and are sealed by a simple capsule which falls away when the fusible metal strut which holds it in place melts ; whereas therefore such spray heads do not in themselves constitute mechanical appliances for projecting, dispersing or spraying liquids or powders falling within heading No 84.21 and cannot be considered as parts or spare parts of such appliances ; whereas they do not fall within heading No 84.61 either, which covers taps, cocks, valves and similar appliances, for pipes, boiler shells, tanks, vats and the like ; whereas, as appears from the relevant Explanatory Note to t ...[+++]he Brussels Nomenclature, only mechanically operated appliances fall within that heading ; whereas they do not constitute machinery and mechanical appliances within heading No 84.59, in accordance with the scope of that heading as specified in the Explanatory Notes to the Brussels Nomenclature;