But the violation of marriage, or any other unchastity, was never heard of; and the married pair pass their lives with the same friendship and mutual benevolence, that they bear to all others of the same species who come in their way, without jealousy, fondness, quarrelling, or discontent.
The catalyst used in the converter is mostly a precious metal such as platinum, palladium and rhodium. Platinum is used as a reduction catalyst and as an oxidation catalyst. Although platinum is a very active catalyst and widely used, it is very expensive and not suitable for all applications.
Catalytic Converter. Catalytic converters are more than just filters, they reduce the toxicity of emissions from a vehicle's combustion engine. The first models of these catalytic converters came in 1975 on series-production automobiles in response to the tightening EPA regulations on automobile exhaust. These first used pellet-style catalysts.