Ubushobozi bwo gukora buri mwaka bwubwoko butandukanye bwo gukama, gusya, kumenagura, kuvanga, kwibanda hamwe no gukuramo ibikoresho bigera kumurongo urenga 1.000. Amashanyarazi ya rotum yumye (ubwoko bwikirahure kandi butagira ibyuma) bifite ibyiza byihariye.