The boundaries of the chemical industry, then, are somewhat confused. Its main raw materials will be the fossil fuels (coal, gas, and petroleum), air flow, water, salt, limestone, sulfur or an equivalent, plus some specialized recycleables for special items, such as phosphates and the mineral fluorspar.
The chemical industry comprises the firms that produce industrial chemicals. Central to the modern world economy, it Air Compressor For Production Of Chemical Raw Materials converts recycleables (oil, natural gas, air, drinking 
water, metals, and nutrients) into more than 70,000 different items.
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