Apparatus and machines for wearfacing and surfacing hardwearing objects; agricultural, horticultural, earthworking, drilling, mining and industrial implements and working tools, tips, bits and heads (not including those that are hand-operated), including wearfaced and surface-coated implements; hardwearing components and working pieces of equipment and machines, including agricultural, earthmoving, grinding, pulverising, milling, metalworking, mining and quarrying, ore treating, road rolling, screening and roadmaking, forestry, brickmaking, construction, industrial and ground engaging equipment and machines, particularly working pieces subject to abrasion, particularly tillage points, augers, spiral flighting, wear strips, wear plates, adaptors and buckets, drilling rigs, bits and heads (not including those that are hand-operated); apparatus and machines for depositing or applying coatings to moulds, materials, equipment, hardwearing components and working pieces of equipment and machines, including agricultural, earthmoving, grinding, pulverising, milling, metalworking, mining and quarrying, ore treating, road rolling, screening and roadmaking, forestry, brickmaking, construction, industrial and ground engaging equipment and machines, particularly working pieces subject to abrasion, particularly tillage points, augers, spiral flighting, wear strips, wear plates, adaptors and buckets, drilling rigs, bits and heads; apparatus and machines for depositing or applying a coating of metal, including tungsten, to metal parts and equipment; electric and gas operated welding machines; gas operated welding apparatus; machines for use in the preparation of surfaces; parts, fittings, components and accessories for the foregoing