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Old October 30, 2005, 08:24 PM   #25
rallyhound
Senior Member
 
Join Date: February 23, 2005
Location: Minneapolis
Posts: 235
I am a mechanic in Minnesota, the bomb squad here has me save the old spark plugs for them.
They use the white part, ceramic or porcelin, I'm not sure which.
They break apart the old plugs and load shotgun shells with plug remains for the sole purpose of breaking glass.
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