21. Ceramic fibers maker Unifrax Corp . on Monday moved to double its size with the acquisition of Carborundum Insulation Technologies. 22. Very large editions are not possible as a small amount of carborundum comes off every time it is wiped down. 23. It's easy to sharpen; you could include a Carborundum file ( $ 11.73 ) for that. 24. Instead Burnham went to work for Carborundum Co ., a maker of abrasive materials, becoming its controller at age 28. 25. During this period the demodulator was usually a carborundum point contact diode, but sometimes a vacuum tube grid-leak detector. 26. To condense the gaseous zinc, the company first used a simple brick chamber with carborundum baffles, but efficiency was poor. 27. Saint-Gobain is expected soon to complete its acquisition of most of British Petroleum Plc's $ 340 million Carborundum business. 28. On applying a potential of 10 volts between two points on a crystal of carborundum , the crystal gave out a yellowish light. 29. From Kellogg's Corn Flakes to Coleridge, corn cobs to carborundum , he traces ties across time that prove intriguing and entertaining. 30. The hostile takeover of Cutfast Abrasives in 1996, a competitor to Murugappa group company, Carborundum Universal, is fresh in corporate memories.
