A blind man interviews for a job as a quality
controller at the local wood mill. The manager 
calls the blind man into his office and asks him
how he expected to do this job since he was 
blind. The blind man replied he would do it by 
smell. The manager decides to test him and places
a piece of wood in front of him. The manager 
asks, "What is it without touching it?" The blind
man replies, "That’s a good piece of fir." 
"Correct,” says the manager, “now try this one."
"That’s a bad piece of willow," says the blind 
man. "Correct," answers the manager. 

With that, the manager decides to play a trick on
the blind man. He get his secretary to lift up 
her dress and put her crotch in the blind mans 
face. "I'm confused,” says the blind man, “can 
you turn it around?" The secretary turns around
and puts her ass in his face. The blind man says,
"Oh, you’re trying to fool me! But I know exactly
what kind of wood that is. It’s the shit house
door off a tuna boat!"