petroleum and coal products industries

Scope Note

Refining and processing of petroleum; manufacture of coal products (e.g., illuminating gas, coal tar); use of special apparatus and machinery; processing techniques; products and their uses; economic importance of petroleum and coal products industries; organization of labor and production; etc.

Identifier

Broader Term

• 380 chemical industries

Related Terms

• 315 oil and gas wells
• 316 mining and quarrying
• 354 heating and lighting equipment
• 375 thermal power
• 402 industrial machinery
• 414 miscellaneous hardware
• 495 auxiliary highway services