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Đặt câu có từ "anthracite hard coal"
1. Hard coal is a product aggregate equal to the sum of anthracite, coking coal and other bituminous coal.
2. The coal, lignite, and Anthracite market is segmented into coal; lignite and Anthracite
3. Anthracite definition, a mineral coal containing little of the volatile hydrocarbons and burning almost without flame; hard coal
4. Mined Anthracite Coal: Description
5. Anthracite definition is - a hard natural coal of high luster differing from bituminous coal in containing little volatile matter and in burning very cleanly —called also hard coal.
6. Anthracite coal is environmentally friendly.
7. Anthracite—or hard coal—was solid and rich in carbon, ideal for industrial and domestic use
8. CCTR Indiana Center for Coal Technology Research 6 Coal RANK Anthracite Coal is a dense, hard rock with a jet- black color & metallic luster
9. Anthracite coal is the last and most clean form of coal
10. Lehman's now offers anthracite Coal by the pallet
11. Minimalist Design Anthracite Coal and Steel Necklace SianReasonJones
12. Anthracite Clack Anthracite is a select coal, mined and processed for use in water filtration
13. Lehman's now offers Anthracite coal by the pallet
14. Anthracite is the least plentiful form of coal
15. Raw Anthracite Coal, Metamorphic Rock Specimen - Hand Sample - Approx
16. Anthracite also is the most brittle among coal types
17. Anthracite Roots: Generations of Coal Mining in Schuylkill County, Pennsylvania.
18. Cannel coal is a type of bituminous coal, which is the second-highest rank of coal (just behind anthracite)
19. Anthracite could be nicknamed "smokeless coal." High heat.
20. Unfortunately, only approximately 1% of all the coal is Anthracite.
21. Anthracite is a resource under the generic Coal type of resources
22. Anthracite or Culm is a kind of coal containing 90 per cent
23. Anthracite or Culm is a kind of coal containing 90 per cent
24. Anthracite coal is even more readily available if you live in Pennsylvania
25. Such is the Burning Mountain, on Powder River, Abounding with anthracite coal.