abrasive grinding products being parts of machines, namely, grinding tools for grinding machines; cutting wheels for cutting machines; cutting blades for cutting machines; diamond cutting wheels and diamond cutting blades for cutting machines; diamond wire cables for cutting machines; grinding wheels being abrasive cut off wheels for power-operated grinders; abrasive depressed center wheels for power-operated grinders; core drilling bits for power-operated core drills; grinding wheels and grinding plates for power-operated grinders; drills for drilling machines; diamond segments for cutting machines; diamond wings for cutting machines; tuck point and motor rankers, namely, diamond blades for powered machines for removing joints on a wall of bricks, joint sealers, cup wheels and core bits; all the aforementioned goods being intended for cutting and/or grinding building materials and abrasive materials, namely, concrete and concrete products, reinforced and non-reinforced concrete, cured concrete, green concrete, asphalt over concrete, kerb stone, concrete pipes, engineering bricks, facing bricks, flagstone and paving stone, block paving, washed gravel concrete slabs, natural stone, sandstone, flint, limestone, granite, marble, slate, hard natural stone, porcelain, ceramic, vitrified reconstructed stone, refractory materials, thin steels sections, stainless steel, cast iron, mortars, glass, bitumen, cement joints, breeze block, lignacite blocks and other materials for the construction and building industry