“ [The CN] is based on the customs classification scheme agreed and used internationally by a large number of countries, called the Convention on the Harmonised Commodity Description and Coding System ('HS'). The EU is a party to this Convention. The HS consists of some 5,000 groups of goods with 6-digit codes. The CN integrates the HS but in addition contains further subdivisions with 8-digit codes, specifically adapted for the EU. Both the HS and the CN have explanatory notes ('HSEN' and 'CNEN' respectively), which are prepared by experts. Courts generally give weight to these notes even though they are not legally binding.”
“Of, relating to, or dealing with machinery or mechanisms.”
“Something applied as a means to an end; a piece of apparatus. Now often: spec. a utensil or other piece of (electrical) equipment designed to perform a specific (usually domestic) task”