sepeda motor Pop Quiz

Magnesium makes for light, strong alloys, great for bike applications. But what lebih practical reason is it not used for production motorcycle wheels?
Choose the right answer:
Option A The ore is too costly.
Option B It cannot be cast cheaply enough for motorcycle wheels.
Option C It's prone to burn extremely hot if abraded.
Option D Its alloys tend to be porous, causing tire deflation if paint is damaged.
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