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| catalytic converter; catalyst A substance whose presence alters the rate at which a chemical reaction proceeds, but whose own composition remains unchanged by the reaction. Catalysts are usually employed to accelerate reactions(positive catalyst), but retarding (negative) catalysts are also used | |||
| catalytic convertor | |||
| katalysaattori: 6 phrases in 2 subjects |
| Environment | 1 |
| Transport | 5 |