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Industrial manufacturer Honeywell International Inc. said yesterday it has developed a new nitrogen-based fertilizer that is difficult to ignite - a discovery that could reduce criminals' ability to make explosives used in major terrorist attacks like the Oklahoma City bombing. Honeywell said its patented fertilizer combines ammonium sulfate with ammonium nitrate, providing the nitrogen and sulfur needed for plant nutrition but making it largely useless as a fuel for explosives. The company said that when mixed with substances such as fuel oil - a volatile combination often used to make bombs - the new fertilizer did not detonate. HON (NYSE) fell 42 cents to $43.18 (U.S.).

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