A firearm should be cleaned every time it is fired, or once every two weeks in storage.
You should never store a dirty firearm. They should be cleaned after every use, especially if you're firing ammunition with corrosive primers. It's not absolute necessity that you clean them every single time - and many people don't - but it's good practice, especially for a firearm which you may be using to defend yourself with.
Equipment must be CLEANED at least every 24 hours.
So the paint will stick and not peel off later.
The work surface of a laminar airflow hood should be cleaned regularly using a disinfectant solution or 70% ethanol. Wipe the surface gently with a clean cloth or lint-free wipes, making sure not to disrupt the laminar airflow. Allow the surface to air dry before using the hood again.
it has to be cleaned up quickly because it wil stick to the surface and would be hard to clean up and could be a danger hazard.
Smooth, non-porous, unpainted, easily cleaned, level, undamaged.
Firearms should be cleaned after every use to ensure optimal performance and longevity. If a firearm has been stored for an extended period without use, it’s advisable to clean it before using it again. Regular maintenance, even without recent use, can help prevent rust and corrosion. Additionally, checking and cleaning your firearm periodically can enhance safety and reliability.
Neither unless it is processed and cleaned. Unclean water should not be drunk.
Yes, cleaning a silver coin will reduce its value. Coins that are cleaned can be easily detected. The coin will not be worthless, but may fetch a lower price. It is better to leave it tarnished.
A hamster cage should be cleaned weekly.
If concentrated sulfuric acid spills on a surface, it should be immediately cleaned by first neutralizing it with a base such as sodium bicarbonate or calcium carbonate. This will help to neutralize the acid and reduce its corrosive properties. Afterwards, the area should be rinsed thoroughly with water and appropriate protective equipment should be worn during the cleaning process.