According to Nice classification heading for class 7 states Machines and machine tools; Motors and engines [except for land vehicles]; Machine coupling and transmission components [except for land vehicles]; Agricultural implements other than hand-operated; Incubators for eggs; Automatic vending machines are included in Class 7
The heading gives you a brief broad overview about what exactly is including in a particular class. Class 7 includes mainly machines, machine tools, motors and engines. This Class includes, in particular: – parts of motors and engines (of all kinds); – electric cleaning machines and apparatus. This Class does not include, in particular: – certain special machines and machine tools (consult the Alphabetical List of Goods); – hand tools and implements, hand-operated (Cl. 8); – motors and engines for land vehicles (Cl. 12).