How To Use soft coal In A Sentence
- Further, soft coal sometimes contains dangerous concentrations of toxic materials such as arsenic, antimony, and cadmium.
- He showed how to fire up the forge in the smithy and produce coke from the soft coal.
- The caving reasons of the rib area in front of supports is analyzed, at the fully mechanized caving coal face, in the hard roof, soft coal, soft bottom and large inclination thick coal bed.
- The excess mortality was attributed to coal mining and the extensive use of soft coal in the mining areas.
- Such fuels, known as briquettes, are extensively used in foreign countries and consist of carbon or soft coal, too small to be burned in the ordinary way, mixed usually with pitch or coal tar. Steam, Its Generation and Use
- He showed how to fire up the forge in the smithy and produce coke from the soft coal.
