North American Product Classification System (NAPCS) Canada 2012 Version 1.0
- 144 - Other energy products
- 14411 - Coal
- 144111 - Coal
- 1441111 - Coal
- 14412 - Solid fuel products, not elsewhere classified
- 144121 - Solid fuel products, not elsewhere classified
- 1441211 - Fuel products of waste wood
- 1441212 - Other solid fuel products, not elsewhere classified
- 14413 - Fuel wood
- 144131 - Fuel wood
- 1441311 - Fuel wood
- 14414 - Steam and heated or cooled air or water
- 144141 - Steam
- 1441411 - Steam
- 144142 - Heated or cooled air or water
- 1441421 - Heated or cooled air or water
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