Scarifiers being earth moving machines; blades being parts for machines; replacement blade tips for blades being parts for machines; graders for earth moving as attachments for vehicles; earth moving machines, namely, graders; scarifiers for earth moving as attachments for vehicles; scarifier attachments for earth moving for attachment to skid steer loaders, compact track loaders, and tractors; earthmoving attachments for machines, namely, graders, scarifiers, box blades, and levellers; groun...