TEWATT TWT550D-16T air compressor help build Hydropower station,Boring hole#water well drilling

TEWATT TWT550D-16T air compressor help build Hydropower station,Boring hole#drillingborewell #drillingbore #drillingholes #boreholedrilling#boreholes #drillingequipment#drillingmachine#drillbit#TEWATT#drillingtools#drillingcompressor#mobileaircompressor#dthdrilling#DTHhammer