Coal mining productivity is calculated by dividing total coal production by the total direct labor hours worked by all mine employees.
Other Database Pages Exist for this Phrase:
Coal (Coal is formed from plant and animal matter that ...)
Mining (Mining refers to the science, technique, and ...)
Coal (Coal refers to a combustible black or brownish ...)
Related Articles | |
| Bituminous coal | ■■■■■ |
Bituminous coal is characterized as a dense coal, usually black, sometimes dark brown, often with well-defined . . . Read More | |
| Underground | ■■■■■ |
Underground means under the level of the groundbelowground storage areasunderground caverns. It is a . . . Read More | |
| Mining | ■■■■■ |
Mining refers to the science, technique, and business of mineral discovery and exploitation. Strictly, . . . Read More | |
| Recording | ■■■■■ |
In the industrial context, recording refers to the process of capturing data or information for a variety . . . Read More | |
| Worker | ■■■■■ |
In the industrial and industry context, a worker is an individual employed within a specific sector to . . . Read More | |
| Combustible | ■■■■ |
Combustible means able to burn. Combustible materials have the ability to burn or catch fire under specific . . . Read More | |
| Subbituminous coal | ■■■■ |
Subbituminous coalA coal whose properties range from those of lignite to those of bituminous coal and . . . Read More | |
| Coal briquets | ■■■■ |
Coal briquetsanthracite, bituminous, and lignite briquets comprise the secondary solid fuels manufactured . . . Read More | |
| Coal gasification | ■■■■ |
Coal gasification-is described a the process of converting coal into gas. The basic process involves . . . Read More | |
| Coal mine | ■■■■ |
Coal mine: Coal mine refers to an area of land and all structures, facilities, machinery, tools, equipment, . . . Read More | |
(#)The daily puzzle:
What does '*****' mean in the following text?
"An ***** is a vegetable oil, It is a triglyceride extracted from a plant. Such oils have been part of human culture for millennia. The term "vegetable oil" can be narrowly defined as referring only to substances that are liquid at room temperature, or broadly defined without regard to a substance's state of matter at a given temperature."
The answer and more
