7 Construction machines and robotic mechanisms, being machines, for use in construction, namely, bulldozers, diggers, being hydraulic excavators, road construction and road paving machines, drilling machines, rock drilling machines, road sweeping machines; lifting, loading and transmission machines and robotic mechanisms for lifting, loading, and transmission purposes, namely, elevators, escalators and cranes; engines and motors, other than for land vehicles, and structural and replacement parts and fittings therefor, namely, hydraulic and pneumatic controls for engines and motors, brakes other than for vehicles, brake linings for engines, crankshafts, transmission gears for machines, cylinders for engines, pistons for engines, turbines, not for land vehicles, filters for engines and motors, oil, air and fuel filters for land vehicle engines, exhausts for land vehicle engines, exhaust manifolds for land vehicle engines, engine cylinders for land vehicles, engine cylinder heads for land vehicles, pistons for land vehicle engines, carburetors for land vehicles, fuel conversion apparatus for land vehicle engines, injectors for land vehicle engines, fuel economisers for land vehicle engines, pumps for land vehicle engines, valves for land vehicle engines, starters for motors and engines, dynamos for land vehicle engines, sparking plugs for land vehicle engines; pumps for machines; self-regulating fuel pumps for land vehicles