On A tower leg in tension, an angle grinder or circular saw would be about
the most dangerous tools available for the job. Both are unstable and tend
to hard to control. They have a very dangerous tendency to jump in the
direction opposite the rotation. On the angle grinder, the grinding disks are
prone to catastrophic failure if pinched between the cut edges. I don't
think I need to mention the flying shards of metal from cutting metal with a
Grinders are for grinding.
Circular saws are for wood.
Reciprocating saws are for trashing about anything safely.
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