Articles of or mainly of common metals or their alloys for use on or with earthmoving, excavating or mining machines; sheets of common metals or their alloys with or without special abrasion resistant or friction reduction means; abrasion resistant or friction reduction apparatus for use with earthmoving, excavating or mining machines; other abrasion resistant apparatus; machines incorporating abrasion resistant means; the provision of abrasion resistant and/or friction reduction means to earthmoving, excavating, mining and/or other apparatus; maintenance and repair of machines subjected to abrasion, particularly earthmoving, excavating and mining machines; the fitting and installation to earthmoving, excavating and mining machines of abrasion resistant panels or cladding; and all other goods in class 6