It holds round/cylinderical material. It is usually used to judge the cylindricity of the cylindrical material. normally 90 digrees vee. it can be used for the marking of the cylenderical crosse...
No because on is an adjective, not a noun.
38, born 1972.
A vee jai is slang for a virgina
"Jahre" is the plural form, meaning "years". The singular is "Jahr", year. By the way, remember to ALWAYS capitalize nouns in German. :-)