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biogas, solid domestic waste landfills, regeneration, a well, recovery, use of methane, environmental safety. (1)
borehole (1)
compact load-haul dumper (1)
concentration (1)
drilling and blasting operations (1)
emission source (1)
emulsion explosives (3)
environmental assessment (1)
environmental hazard index (2)
environmentally hazardous substances (2)