Testing And Tlhahlobo Material Raw Material) Helmets Tlhatlhobo ea Metallographic Tlhatlhobo ea Ts'ebetso ea Ts'ebetso ea Metal Phumano ea Spectral Lisebelisoa tsa Teko ea Rubber Khatello ea Khatello ea Khatello ea Kelello Thata Test Teko ea Botsofali bo Holimo Lisebelisoa tsa Teko ea Lihlahisoa Ho Inamela Torque Bakeng sa Tee ea Mechini Khatello ea Khanyetso, Phumano ea Khatello ea Moea Khumama bonoa torque Ka manonyeletso