Refractory products, articles and materials not made of metal, namely, cast monolithic sections of coke walls, refractory bricks, refractory shapes, not of metal, refractory walls comprising modular interlocking bricks, refractory shapes, not of metal and refractory construction materials, not of metal
Nonmetallic Building MaterialsRepair, maintenance and reconstruction of furnaces, refractory furnace walls, coke ovens, refractory furnace wall components, coke oven batteries and coke process equipment; furnace rebricking; technical consultancy and advice relating to the maintenance of furnaces, refractory furnace wells and their structural components; providing information relating to the repair and maintenance of furnaces on line from a computer database and the internet
Building Construction and RepairInspecting and monitoring the condition, function, operation and performance of furnaces, refractory furnace walls, coke batteries, and related structural components in order to identify the need for repair and reconstruction
Computer and Scientific