Ma'anar:
Clay jiki (nuni) yana nufin ainihin ƙwayar yumɓu wanda aka yi amfani da shi wajen yin abubuwa. Zai iya samun takamaiman nau'i na yumɓu a ciki, amma zai fi dacewa da kunshe da cakuda daban-daban yumbu .
Wasu additives za a iya gabatar da su a cikin cakuda. Kowane takamammen takamaiman amfani da shi an haɗa shi don ba da lãka musamman halayen. Alal misali, ana iya ƙara sinadarai don taimaka wa filastik, don ragewa ko kuma tayar da zazzabi na jiki, ko canza launin fuska.
Misalan: Ƙunƙarar jiki sun zo cikin nau'i-nau'i mai launuka, daga fari, zuwa ja, baki, da launuka masu yawa a tsakanin.