Fa'alauiloa le 420GF photovoltaic drilling rig, o le fofo sili lea mo galuega tetele o mauga.O loʻo faʻapipiʻiina le masini faʻapipiʻi o le la ma se faʻasalalau e pei o tulaga masani, o le filifiliga sili lea mo le faʻapipiʻiina o faʻaputuga tele-aperture ma ultra-large-aperture photovoltaic.O lo'o fa'aaogaina e le masini viliina se fa'asologa o ulu fa'asolosolo maualuga ma se fa'amau e o'o atu i le 8000N/M e fa'amautinoa ai e fetaui ma mana'oga o le fa'aputuga o le la Φ176-300-400mm.