All depends on what you mean by castings, but assuming it is something made of metal or plaster cast into a particular shape, it can be used anywhere that is suitable for its application
Yes all worms use their castings as soil.
These shutters can be used inside or outside depending on the climate and coating.
on when the thing is outside and on when the thing is inside
describe how to use a telephone system to make contact with people inside and outside an organisation
It is on the outside, because it is used to prevent people from entering the castle. If it was on the inside, there would be no use for it.
In is inside somewhere or something, At is at a location, but doesn't indicate inside or outside
inside, laces, toes, outside, bottom for passing the ball use inside, for cutting the ball use outside, for faking someone out with a sole role use the bottom of you foot never use your toes for shooting the ball use laces or inside
A door is a common object that fits this description. When a door is closed, it appears as a solid barrier on the outside but allows entry to the inside. When the door is open, the inside becomes visible from the outside, blurring the distinction between the two spaces.
Morrison shelters were designed to be used inside your house. Anderson shelters were designed to be used outside in your garden.
That is the correct spelling for inside and outside. Inside a structure is the interior and the outside is the exterior.
spatial order
By using that exact spell inside the mage arena 100 times, it doesn't matter if it misses inside there, as long as you cat 100 times you can then use it outside.