REFRACTORY MATERIALS-NAMELY, INSULATING AND FIRE BRICK, [ FURNACE LININGS, ] HIGH TEMPERATURE CEMENTS, REFRACTORY CASTABLES, I.E. REFRACTORY MATERIAL WHICH CAN BE POURED INTO FORMS AND MOULDED ON THE JOB TO MEET REQUIREMENTS OF THE USER, AND SPECIAL SHAPES OF REFRACTORY MATERIAL, I.E. ANY ODD SIZE OR SHAPE OF FIRED REFRACTORY MATERIAL