Hose e Khethehileng Bakeng sa Pholoso ea Merafo
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Hose e Phahameng ea Khatello ea Polyurethane e Sebelisitsoeng Pholosong ea Merafo
Lihlahisoa tsa rona li loketse phepelo ea metsi a fracturing, lipalangoang tsa oli, drainage ea tšohanyetso ea morafo oa mashala, drainage ea tšohanyetso, drainage ea tšohanyetso ea litoropong, phepelo ea metsi a temo le nosetso, lipalangoang tsa metsi a litšila tsa indasteri, phepelo ea metsi a hole le liindasteri tse ling tsa tšebeliso ea oli ea shale le khase.
