That means your engine is running "rich". Which is to say that you have too much fuel and not enough air being burned in your engines cylinders. Check the fuel pressure regulator, the Mass Air Sensor, the Mass Air Temperature Sensor, the Engine Coolant Temperature Sensor or the EGR valve can be stuck open. The best place to begin is to have the car scanned with a code reader or a scanner. (Autozone does that for free here)
If new flatware is leaving black marks on food , it is a chemical reaction with the finish on the flatware. Using a soft polishing cloth, wipe flatware after rinsing in diluted vinegar.
To prevent wheelchairs from leaving black marks on floors, consider using rubber or soft casters instead of hard plastic ones, as they are less likely to scuff surfaces. Regularly cleaning the wheels can also help minimize residue buildup that contributes to marks. Additionally, placing mats or protective coverings in high-traffic areas can further safeguard the flooring. Lastly, ensuring the wheelchair is properly maintained and free of debris will help reduce wear on both the wheels and the floor.
Child abuse, assault.
If the black marks are dead pixels then you have to replace the screen you cant fix it.
Can you supply pictures to better identify what is wrong? Probably just stretch marks
Pimpal black mark
In each drawer, place a briquet of charcoal (inside a sock to keep it from leaving black marks on things kept in the drawer), and a fabric softener sheet like the ones used in a clothes dryer.
One way to get white marks out of black jeans is to dye them black again. You could also use a black marker or pen to color in the white marks. In the future you should wash black jean inside out so these marks are less likely to appear.
Hello world
Stain stick
Well, usually you can go to the runescape home page, then account manaement, then it should have an option into seeing your reported abuses or black marks.
some times the circumcison is to tight and the skin will stretch leaving marks when the penis is in the erect state. this in normal if the circumstance are circumison is the problem. if you use a vacum pump to enlarge the penis, the pressure inside the cylinder is to great and will swell the penis leaving stretch marks, if this is the case . reduce the pressure and you should have no problem