excavators; hydraulic excavators; dragline excavators; trench excavators; hydraulic motors for excavators; extractors for mines; hydraulic actuators; excavating machines; excavating machines [earth-moving machines]; extrusion moulding machines; extrusion molding machines; diggers [machines]; hydraulic tools; digging machines; drill bores [machines]; mining machines; excavators [earth moving machines]; excavators [earth-moving machines]; earth loaders [earth-moving machines]; earth loaders [earth moving machines]; earth moving machines; excavating machines [earth moving machines]; earth loaders; loaders [earth moving machines]; loaders [earth-moving machines]; graders [earth moving machines]; blades for earth moving machines; cutting machines; machine tools for cutting; cutting devices being parts of machines; cutting tools being parts of machines; metal cutting machines; cutters [machines]; loader buckets for excavators; buckets for earth moving machines; buckets for earth-moving machines; bucket conveyors; ditchers [plows]; bucket rails for conveyors; plowshares; ditchers [ploughs]; skid-steer loaders; rubber tracks being parts of skid-steer loaders