JJG should have posted this one though!

My laugh of the day. Thanks, V8!

No Gloves so touching the top with bare hands makes a transfer spot.
CORRECT.
And it's the #1 mistake when operating these things. Usually you push the lever with the
elbow (the one you
don't cough into).
It doesn't matter because after touching it you rub both your hands with alcohol gel. It's ok to me.