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They are only 'effective' if they reduce work place accidents.
From what I was taught, the shock value type of things work well when they are first used and then lose their effectiveness after people get desensitized and the shock value is gone.
Really nothing to say unless there is a real study shown that serious work place accidents were reduced as a result.
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Agents of the enemies who hold office in our own government, who attempt to eliminate our "freedoms" and our "right to know" are posting among us, I fear.....on this very forum. - host
Obama - Know a Man by the friends he keeps.
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