ii. To assist in ascertaining and recording the weight of minerals produced in various stage of process in medium and large-scale mines;

iii. To assist in sampling of the minerals produced, recording and packing of the samples in appropriate packages ready for sending to the laboratory for analysis;

iv. To assist in verifying/calculating and recording the actual weight of chemical reagents used in dry calcite prior to smelting in medium and large-scale mines;

v. To collect and analyse mineral production data and/or information and them associated statistics;

vi. To examine mineral processing techniques used in the mines and advice accordingly;

vii. Conduct training to small scale licensed mineral processing operate on proper processing technology; viii.To assist in witnessing and records daily sorting and recovery of gemstones in gemstones mines;

ix. To assists in monitoring and control of daily shaft face picking after blasting of gemstones in gemstones mines;

x. To establish and maintain a database of processing plants, smelters and refinery; and xi. To perform any other related duties as assigned by supervisor.