Here's a little tip to stop a crack from getting longer in plastic or metal. Drill a small hole just at or slightly past the end of the current crack. When the crack reaches the hole it can't easily continue past.
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I make a Maple Syrup instructional movie! Check it out HERE SKIP books, get 'em while they're hot!!! Skills to Inherit Property See me in a movie building a massive wood staircase:Low Tech Lab Movie
Cob is sand, clay and sometimes straw. This tiny ad is made of cob: