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e cutting board back out and put the items back onto the cutting board. Guess which switch controls the projector screen? This picture shows a projector screen in a conference room. The white screen is lowered from the ceiling in front of a blackboard. To the right of the screen are some electrical switches. Guess which switch raises and lowers the screen? The switch next to the screen? No, it39。s the switch farthest away from the screen! Hard to open Here is a door to a gourmet coffee shop in a designer hotel in New York City. The door is made of solid glass and is very heavy. The top half of the door is clear glass. The bottom half is frosted glass. The handle is in the middle of the door. This makes it very difficult to pull the door open because you can39。t get any leverage. Please push slowly! Ever wonder why doors are made out of glass? This picture gives a hint. Imagine that these restaurant doors are both closed and someone tries to leave in a hurry just as someone else tries to enter the restaurant from the outside. The doors are made of solid wood and are beautiful to look at but you can39。t see if anyone is standing on the other side. This is a mop sink This picture is from a restaurant in Santa Barbara. There is no urinal in the men39。s restroom. The fixture in the corner affords a certain activity. To try to discourage this acti