- K art vel ian ▁at ▁a ▁relatively ▁early ▁stage : ▁the ▁later ▁Pro to - K art vel ian ▁stage ▁( called ▁K arto - Z an ) ▁split ▁into ▁Georg ian ▁and ▁Z an ▁( M ing re lo - L az ). ▁ ▁Ph on ology ▁ ▁V ow els ▁ ▁Cons on ants ▁ ▁References ▁Encyclop ædia ▁Britannica , ▁ 1 5 th ▁edition ▁( 1 9 8 6 ): ▁Mac rop edia , ▁" L anguages ▁of ▁the ▁World ", ▁see ▁section ▁titled ▁" C au cas ian ▁languages ". ▁ ▁Gam k rel id ze , ▁Th . ▁( 1 9 6 6 ) ▁" A ▁Typ ology ▁of ▁Common ▁K art vel ian ", ▁Language , ▁Vol . ▁ 4 2 , ▁No . ▁ 1 ▁( Jan . ▁– ▁Mar .), ▁pp . ▁ 6 9 – 8 3 ▁ ▁Notes ▁ ▁Category : A gg l ut in ative ▁languages ▁K art vel ian ▁language ▁Pro to - K art vel ian ▁language <0x0A> </s> ▁T ao ▁Business ▁is ▁an ▁EP ▁by ▁the ▁Ser bian ▁noise - rock ▁band ▁K lop ka ▁Za ▁P ion ira , ▁released ▁in ▁ 2 0 0 7 ▁( see ▁ 2 0 0 7 ▁in ▁music ) ▁on ▁the ▁Ne - ton ▁independent ▁label . ▁It ▁has ▁only ▁one ▁song , ▁al beit ▁almost ▁twenty ▁minutes ▁long , ▁which ▁is ▁actually ▁an ▁ex cer pt ▁from ▁one ▁of ▁the ▁band ' s ▁sessions ▁with ▁Vladimir ▁Pal ibr