239 Manufacture of non-metallic mineral products n.e.c.

This class includes the manufacture of intermediate products from mined or quarried non-metallic minerals, such as sand, gravel, stone or clay. This class includes: - manufacture of refractory mortars, concretes etc. - manufacture of refractory ceramic goods: • heat-insulating ceramic goods of siliceous fossil meals • refractory bricks, blocks and tiles etc. • retorts, crucibles, muffles, nozzles, tubes, pipes etc.

This class excludes: - manufacture of artificial stone (e.g. cultured marble), see 2220 - manufacture of refractory ceramic products, see 2391

This class excludes: - manufacture of artificial stone (e.g. cultured marble), see 2220 - manufacture of refractory ceramic goods, see 2391 - manufacture of ceramic building materials, see 2392 - manufacture of ceramic sanitary fixtures, see 2392 - manufacture of imitation jewellery, see 3212 - manufacture of ceramic toys, see 3240 - manufacture of artificial teeth, see 3250

This class excludes: - manufacture of refractory mortars, concrete etc., see 2391 - manufacture of articles of cement, see 2395 - manufacture of articles of plaster, see 2395 - manufacture of ready-mixed and dry-mix concrete and mortars, see 2395 - manufacture of cements used in dentistry, see 3250

This class excludes: - manufacture of refractory cements and mortars, see 2391

This class includes: - cutting, shaping and finishing of stone for use in construction, in cemeteries, on roads, as roofing etc. - manufacture of stone furniture This class excludes: - activities carried out by operators of quarries, e.g. production of rough cut stone, see 08.11 - production of millstones, abrasive stones and similar products, see 23.9

This class excludes: - manufacture of glass wool and non-woven glass wool products, see 2310