...Colleagues with little knowledge have very little respect for instruments - or "machines" as they call them.
One time I came back from a few days off to find that someone (no one would fess up) had poured several partial bottles into the resevior. They were sitting by the sink for 2 weeks waiting to be disposed... What would possess someone to do something so foolish? :x

How do these people make it to work in the morning without a serious misshap? If they applied the same logic at home that they use in the lab: they would sleep in the dryer, bath in the toilet, eat from the garbage and drive on the wrong side of the street! :roll: