5 x qualified brock operators, 2-3 yrs exp. on the brock machines. Very good background in refractory brickwork on convertors &kilns. Lay &align bricks, blocks, or tiles to build or repair structures or high temperature equipment, such as cupola, kilns, ovens, or furnaces. Apply & smooth mortar or other mixture over work surface & remove excess. Mix specified amount of sand, clay, dirt, or mortar powder with water to form refractory mixture & also inspect & evaluate the quality of products |