Reminds me of a story a friend tells about the shop where he
used to work. The owner employed his uncle George whenever
George was out of rehab and sober enough to do useful work
like sweep the floor. Probably not the swiftest plane in
the fleet to begin with, years of substance abuse had taken
their toll and he was affectionately referred to as 'Crazy
Uncle George.

Anyhow, my friend was welding and each time he started a weld
he would call out "Watch the arc!" to warn the others in case
they were looking his way at the time. After about an hour
of this, he dropped his faceplate down, called out "Watch the
arc!" and was startled to hear Crazy Uncle George shout back
"F--- you! YOU watch the arc. My eyes hurt!"

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FF