They can be fooked with... personally I think you'll get over it.

I just used to drive everywhere stupidly fast (normal) and they got fed up of moaning, ultimatly they aint ass'd if you loose your licence, just that you get your work done and dont take the piss.

If you want to know about what is and isn't classed as "work" during your working day then you need to look up the "working time regulations" you will find it on the net, government act and all that and is law.

HTH