GRH fuafuaga ma maua ai iunite mana, taamilosaga afi, pamu kia hydraulic / motors kia, afuala mono-poloka, sectional afuala faaputuga, fuafuaina afuala ma dividers tafe e faaaoga faapitoa vaega .These i machineries tau alamanuia, mea taulimaina, machineries fausia, faatoaga ma tau alamanuia fanua.