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.
A hamster cage should be cleaned weekly.
A horses stall should be cleaned every day.
It has to be cleaned every so often, mainly if you can see that it is dirty than you should clean it. And it really should be cleaned every 4-5 weeks.
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.
As often as you can.
It must be cleaned daily.
every day
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Draperies should generally be cleaned one or two times a year.
A stall should be cleaned twice a day or more and it has the most manure right after feeding
Gutters should be cleaned at least twice a year to prevent damage to windows.