You can make a free cordless drill. (its handy to have several with different bits in each)
By using a old ones & connecting up a car battery to the inner contacts in the drill.
Normally they die & get thrown out because of the dud rechargeable battery.
Old garden loppers are great for cutting thru copper wire & tubing, just regrind the sharp edges with a grinder to sharpen them up, don't use much 'side force' (twisting them as you cut) & they last for quite a while.
To break Ali tubing & or extrusion, make a nice sharp cut with a hacksaw or file where you want to break it, just 1 mm deep is enough, now bend it at the cut so the cuts on the outside of the bend.
It'll snap there quite easily.
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