What is the difference between MN MODEL MN90 metal parts and plastics?

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1. MN MODEL MN90 RC CAR metal parts:
Usually made of aluminum alloy, stainless steel or other high-strength metals.
It has excellent rigidity and strength and can withstand large impacts and loads.
It has good thermal conductivity and electrical conductivity.

2. MN MODEL MN90 RC CAR plastic parts:
Made of engineering plastics or other synthetic materials.
Usually has light weight and good corrosion resistance.
It can be made into complex shapes through processes such as injection molding.