Daawaha nickel-ka ee naxaasta ah wuxuu leeyahay iska caabin koronto oo hooseeya, u adkaysta kulaylka iyo daxalka, si fudud loo farsamayn karo iyo alxanka rasaasta.
Waxaa loo isticmaalaa in lagu sameeyo qaybaha muhiimka ah ee ku jira qalabka korontada ku shaqeeya ee xad-dhaafka ah, qalabka korontada ku shaqeeya ee jabiyaha kulaylka ee iska caabin yar, iyo qalabka korontada. Sidoo kale waa qalab muhiim u ah fiilada kuleylka korontada.

Kala duwanaanshaha cabbirka cabbirka:
Silig: 0.05-10mm
Ribbons: 0.05*0.2-2.0*6.0mm
Xarigga: 0.05*5.0-5.0*250mm