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- The core of each catalytic converter is an internal ceramic honeycomb structure that has a washcoat containing platinum (Pt), palladium (Pd), and rhodium (Rh). Puzzle #379272118
The core of each catalytic converter is an internal ceramic honeycomb structure that has a washcoat containing platinum (Pt), palladium (Pd), and rhodium (Rh). Puzzle #379272118