A little from column A, a little from column B.
Wines are pretty much all "man made" in the sense that winemakers deliberately make them. However, the concept of wine probably got started from natural fermentation of stored grapes (or possibly other fruit, such as apples).
It is natural but there are man-made imitations.
It can be made from natural or man made fibres.
natural feature
Is limestone natural or man made
Man-made and Natural Resources
it is all natural
Rubber is man-made but has natural agents.
natural.
No "NATURAL" calamities are man made.
Is limestone natural or man made
Ceramic is man-made from a natural material.
some is natural but some is man made