Igikoresho cyo Gukura Ubwoya bw'Injangwe, Roller yo Gukuraho Ubwoya Catom ni umukanda w'injangwe ukorera ibintu byinshi, uhuza igikoresho cyo gukura ubwoya n'agakoresho ka roller kagakuraho ubwoya buri hejuru y'ibintu mu mubiri umwe. Igice cyo hejuru ni igikoresho cyo gukura ubwoya bukuze mu gihe injangwe zisiga ubwoya. Ikizamura kiri ku ruhande gizenguruka igikoresho cyo gukura, naho buto iri hejuru igafungura ubwoya bwakusanyirijwe. Igice cyo hasi ni roller ikuraho ubwoya bwasakaye kandi bwanamatanye. Igikoresho cyo gufunga kiri ku mpera y'igikoresho cyo gukura gifatanya ibice byombi hamwe, bigatuma umukanda ushobora kumanikwa igihe utakoreshwa. Umubiri wakozwe mu mapulasitiki afite ubuso budasize, naho umukandara wakozwe muri nayiloni.
Izina ry'umushinga : Catom, Izina ryabashushanya : Zihang Cheng, Izina ry'abakiriya : Nanchang University.
Igishushanyo cyiza nuwatsindiye ibihembo byubushakashatsi mumarushanwa yo gupakira. Ugomba rwose kubona ibihembo byatsindiye abashushanya ibishushanyo mbonera bya portfolio kugirango umenye ibindi byinshi bishya, bishya, byumwimerere kandi bihanga ibikoresho byo gupakira.