Ububiko Bwibitabo Hamwe Na Kote Yimanika Abacus nigikorwa cyibikorwa byinshi byububiko bwububiko bwibitabo hamwe na kote yimyenda ihumekwa nabashinwa abacus nuburinganire bwa steelyard. Abacus igizwe nibiti byimbaho bifite impande zisukuye hamwe na gari ya moshi ebyiri. Udusimba tworoheje dushobora kugenda ku nsinga. Inkoni zirashobora kwihisha inyuma yumwanya, zishobora no gukoreshwa nkibitabo hamwe namanikwa. Abakoresha barashobora kandi kumanika ibintu hagati ya gari ya moshi. Abacus irashobora kwagurwa mugushiraho andi maseti.
Izina ry'umushinga : Abacus, Izina ryabashushanya : Wai Ho Cheung, Izina ry'abakiriya : Wai Ho Cheung.
Iki gishushanyo cyiza ni cyo cyegukanye igihembo cya bronze mu marushanwa yo gushushanya ibikoresho byo mu nzu. Ugomba kureba portfolio y'imishinga y'abashizi ba bronze kugirango ubashe kumenya imishinga mishya, inovatif, yihariye no gutunga ubushobozi mu gushushanya imbaho n'imitako myinshi.
