periodic table poster
is now available!
Lord only knows what else you could make the core of a spark plug out of, but this one prominently advertises the fact that it's made of
. I got it to go with my collection of spark plug elements, which is surprisingly diverse, extending even to man-made radioactive elements.
interesting article about different elements in spark plugs
Farm & Fleet
19 November, 2002
11 August, 2007