What are these for?

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Re: What are these for? [Re: moparniac] #528349 11/16/09 05:19 PM 11/16/09 05:19 PM
Joined: Jan 2003 Posts: 5,875 communist bloc of new jersey J jamesc master
jamesc master J Joined: Jan 2003 Posts: 5,875 communist bloc of new jersey	core plugs often wrongly referred to as freeze or frost plugs. they're used to pour the sand out after casting.

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