Domestic heating fuel. A miner shovelling lumps of lignite (brown coal) outside his house. The coal is supplied free to workers at the open cast mine where he is employed. Brown coal has a relatively low calorific value and burns inefficiently. Its combustion produces high quantities of sulphur dioxide and smoke particles. Photographed near Most in the Czech Republic | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Fraser, Simon |
Bildgröße: | 3543 px × 5103 px |
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