You need to adjust the gap of a spark plug. to do this, you would

By not grabbing the plug piece, and grab by the wires far away as possible.

unscrew the center insulator with a spark plug socket wrench.

Explanation:

I’ve changed spark plugs before.

it would take 95 years for that supernova to be visible on earth, so the year would be about 2113. i hope i did my calculation right.

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