also in branches: construction of motorways, roads, airfields and sport facilities manufacture of other plastic products construction of industrial plants and civil engineering works assembly, refurbishment, repair of machines and industrial devices floor and wall covering, industrial flooring chemically...
gas caused a major shift from coal to these raw materials. after the second world war, there was a consistent increase in the consumption of petrochemicals. in the last years, with the continuing rise in oil prices, and scarcity and uncertainty regarding assured supplies of natural gas and petroleum oils...