E mafai e le TDS ona tu'uina atu ituaiga eseese o fa'atonuga lelei mea faigaluega Top Hammer Rock Drilling mo Mining Industry,Tunneling and Underground Engineering Construction viliina ma Alamanuia Tu'u.
Vaega
—O U'a Fa'alili, MM/MF U'a.
— Feso'ota'i lima, Fa'asu'i Fa'amau.
—Tapered Bits(7°/11°/12°).
—Pili Fa'amau (R25/R28/R32/R38/T38/T45/T51/GT60…).
— Toe Fa'a'i Fa'amau Fa'amau, Fa'ato'aga Fa'atasi ma fa'atonuga lelei.
