Less than 1 month –
Less than 10 hrs/week –
CAD drawing of device to be placed into toilet tank, either connected to the trip lever or the motion sensor (infra-red laser) for hands-free flushing, that uses the kinetic energy of the water to drive a motor with a pre-recorded message that prompts an individual to wash his/her hands before leaving the lavatory.
This device will need to be on a timer that activates the voice prompt only after every 3 flushes. It will obviously have to be water-proof ...