Pia tunafanya surveying (underground water) borehole flashing ,bei zetu kama zifuatazo
Mita 50 milioni mbili na nusu (2,500,000)
Mita 60 milioni tatu (3,000,000) mita 70 milioni tatu na nusu (3,500,000) mita 80 milioni nne (4,000,000) mita 90 milioni nne na nusu (4,5000,000) mita 100 milioni...