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Maybe this can be altered a little to hang the drills upside down with the battery end in the pipe and the drill facing outward. That way you can leave the bit in the drill if you want.
Tools and Materials for Laser Cutting
Laser Cutting Class
Welding Tools and Materials
Beyond Beginner Welding
Beginning to MIG Weld
I would definitely trust an Army Medic before I'd trust the FDA. I believe an Army Medic would be more trustworthy.