The phrase "a dirty surface" is correct and usable in written English.
It can be used to describe a surface that is unclean or has accumulated dirt or grime.
Example: "Before applying the paint, make sure to clean any areas with a dirty surface to ensure proper adhesion."
Alternatives: "an unclean surface" or "a soiled surface".
Flat, relatively clean scrap samples exhibited acceptable reproducibility and repeatability; by contrast, samples with an irregular shape or a dirty surface exhibited a poor relative standard deviation.
Your strip will be less likely to stick to a dirty surface.
Make sure the front bearing does not fall on a dirty surface as it will come right off the spindle.
Some horses can get sick if the hay is on a dirty surface, so get a hay net that is off of the ground.
Inspect your grapes, if they are bruised, damaged or have touched a dirty surface, throw them away because they are NOT worth it.
At least, newspaper can be laid down anywhere to cover a dirty surface if you're intending to nap or sleep somewhere out of the ordinary, such as during a road trip or when camping out in the Black Friday queues!
You should wash your hands: Before and after preparing food, before eating food, before and after taking care of a sick person, before and after touching any type of wound, after touching any dirty surface or things, after sneezing, coughing or blowing your nose and after touching pets.
The dirty surface belongs to Mayfair's version of a bohemian dive, all shadowy corners and murals of topless, brazen rock chicks.
Before and after each treatment, blood samples were collected, and the percentage of dirty surface area was measured on the udder, hind leg, and side of each animal.
Similar to the NSA results, when all the 249 samples were grouped in zones, the descent stage (9% dirty) and rover (14% dirty) surface samples were determined to be cleaner than backshell (19% dirty) and heatshield (~33% dirty) surface samples (Table 2).
CHEMISTRY PRIZE [PORTUGAL] — Paula Romão, Adília Alarcão and the late César Viana, for measuring the degree to which human saliva is a good cleaning agent for dirty surfaces.
