DTH Hammer amagwiritsidwa ntchito ndi akatswiri ambiri oboola okhudzana ndi
migodi, zomangamanga, tunneling, ntchito yokumba miyala, madzi chitsime.
Kubowola kwa TDS kumatha kukupatsirani mwayi wampikisano DTH Hammer
DTH Hammer3"/4″/5″/6″/8″/10″/12″.
Mawonekedwe
—Umoyo Wautali
-Kusamutsa Mphamvu Kwabwino Kwambiri
-Liwiro Loboola Mwachangu
- Kugwiritsa Ntchito Mpweya Kutsika
-Kuchepetsa Kugwiritsa Ntchito Mafuta