From professional translators, enterprises, web pages and freely available translation repositories.
bituminous schist deposits yield gas and many chemical substances chemicals and metalworking industries are among the most important.
der udvindes olieskifer, som omdannes til gas og forskellige kemiske produkter; dette er i lighed med metalforarbejdning en af de vigtigste industrier.
they also add that the rise in the price of energy will encourage the non-conventional energy sources such as schist, liquefaction or gasification of coal, and will dis courage consumption.
— den »falske handel« mellem de multinationale selskabers datterselskaber giver ligeledes et skævt billede af de faktiske for hold.
generally, such stones do not readily take a mirror polish and are not always extracted by blocks: sandstone, quartzite, slate, tuff, schist.
sædvanligvis lader sådanne stenarter sig ikke let blankpolere og udvindes ikke altid i blokke: sandsten, kvartsit, skifer, tuf, schist.