O le KT15 fa'apipi'i i lalo o le pu mo le fa'aoga matala e mafai ona viliina pu i luga, fa'asaga ma fa'alava, e masani lava ona fa'aoga mo maina avanoa.
KS fa'asologa e mafai ona fa'aaogaina e fai ma vaega e viliina i totonu o alamanuia eseese e pei o le mining, galuega fa'asao vai, auala / auala nofoaafi, fau vaa, galuega fa'aogaina malosi, galuega fa'amiliteli, ma isi.
BOREAS (BK) fa'asologa fa'asolosolo ea compressors e atia'e e Kaishan e fa'amalieina mana'oga o tagata fa'aoga i le fanua o le maualalo-malosi, maualalo tau sikulima ea compressors.