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As convenient as this prototype can be, there are still many possible errors that can affect this entire intervention. 

(1) People can move the chairs and tables around in the UC and take them off the weight sensors situated in the floor. 

(2) The light bulbs above each table can burn out and not respond to the sensors.

(3) The cost of maintenance and training to keep these machines in check will be very expensive. 

(4) These lights can make sharing tables difficult or awkward because the light will be green even if only one person is at a table. 

(5) There could be possible connection issues between the light bulb and the sensors underneath. 

(6) The colored lights can be somewhat obtrusive when trying to work at the tables. 

(7) Having so many different machines for each table can be hazardous. 


(1) By having a weight sensor on the chair directly (as seen in the diagram), even if someone moves a chair, the weight sensor will still pick up the sensor. It is possible to have the chair connect the weight sensor to the network of the table closest to it, instead of just the original programmed table.

(2) LED's last much longer than standard fluorescent bulbs, and would probably be used.

(4) There could be an option for a yellow light that can be activated by someone at a table to indicate that they would not mind sharing the table. 

(5) Instead of having a wireless connection, the connection between the weight sensor underneath the table itself (which can be wirelessly connected to the pad underneath the table) can be hardwired through the floor along with the wiring for the lights themselves.

(6) The light bulbs used can be small enough to not interfere with the person working but large enough to see from far away.

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