Muddy and dusty
If it's muddy then it should also be dusty. Right?
The dirt is for testing purposes. No need to remove it.
My Valentine this year got herself a nice present.
Best night of my life
It was the best night ever, followed by the worst morning ever.
When was the last time you cleaned your computer?
Washing the motherboard
They said to use a dry piece of cloth to clean the dust. I have a better idea.