>>b) a farm worker, perhaps not having English skills sufficient 
to even read the pesticide label, let alone comprehend the 
technical jargon on the label, spraying pesticides hither 
and yon as he daydreams.  

It's not this simple.  At least in the state of Washington, you must 
be trained and certified to be a pesticide applicator.  At least in 
that state, the spray application is tightly controlled.

Waldemar

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