▁its ▁peak ▁in ▁Iran ▁during ▁the ▁eigh teenth ▁and ▁nin ete enth ▁century . ▁In ▁the ▁tw enti eth ▁century ▁Iran ian ▁art is ans ▁special izing ▁in ▁me en ak ari ▁were ▁invited ▁to ▁other ▁regions ▁to ▁assist ▁with ▁training ▁local ▁craft s men . ▁In ▁India ▁Raj as than ▁and ▁Gu jar at ▁are ▁most ▁famous ▁for ▁their ▁M ī n ā k ā r ī ▁artifact s ▁and ▁j ew el ry . ▁ ▁Process ▁ ▁The ▁process ▁usually ▁includes ▁the ▁f using ▁of ▁col oured ▁pow der ▁glass ▁onto ▁a ▁substr ate ▁( met al , ▁glass ▁or ▁cer am ics ) ▁through ▁inten se ▁heat ▁( us ually ▁between ▁ 7 5 0 ▁and ▁ 8 5 0 ▁degrees ▁Cel si us ▁or ▁ 1 3 8 2 ▁and ▁ 1 5 6 2 ▁degrees ▁F ahren heit ). ▁ ▁The ▁pow der ▁mel ts ▁and ▁c ures ▁to ▁a ▁smooth , ▁dur able ▁glass y ▁co ating ▁on ▁metal , ▁glass ▁or ▁cer am ics . ▁ ▁See ▁also ▁ ▁Arts ▁of ▁Iran ▁ ▁References ▁ ▁Category : C er am ic ▁art ▁Category : I ran ian ▁art <0x0A> </s> ▁ 4 - V in yl cyc lo hex ene ▁dio x ide ▁( V CD ) ▁is ▁an ▁organ ic ▁comp ound ▁that ▁contains ▁two ▁epo x ide ▁functional ▁groups . ▁ ▁It ▁is ▁industri ally ▁used ▁as ▁a ▁cross link ing ▁agent ▁for ▁the ▁production ▁of ▁epo xy ▁res ins . ▁It ▁is ▁a