depends if it is locked or not and what kind it is.
They are safe, as long as a small child doesn't try to eat or break them.
i have a solid steel five foot home safe lost key to so how can i break into it
As long as you keep it safe, like as long as you don't scratch it up, lose it, or break it, it'll last for a life time :)
Permission to do so from the owner of the safe.
Yes, it is generally safe to fry with olive oil as long as it is done at the appropriate temperature and not overheated, as high heat can cause the oil to break down and release harmful compounds.
A bomb
It is generally safe to put a glass bowl in the oven as long as it is oven-safe and the temperature does not exceed the recommended limit. However, sudden temperature changes or placing a cold glass bowl in a hot oven can cause it to break.
Yes, as long as you don't use it with any other conflicting mods, or mods that cause the build craft mod to break.
Amazon
Yes, you can break your lease if your landlord refuses to fix things, as long as this is specified in the lease. Your landlord is liable for keeping the home in working order and safe. Contact an attorney to help you with the lease.
No, not safe; if supported on each end it is likely to break
No, it is not safe to put porcelain in the microwave as it can crack or break due to the rapid heating.