I was making a catapult, and for the basket I needed to cut a 1/2 gallon jug in half. I went into the garage to find the utility knife, and could only find a pack of blades for the utility knife. I opened the package and began using a raw blade. When I was almost done cutting it in half the blade slipped, and I cut my thumb fairly deeply. The moral of the story: Use a knife with a handle when cutting milk jugs, or your typing speed will plummet.
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Guns don't kill people--Magic Missiles Do.