Gushaka ubushakashatsi kubikorwa byo kwiruka byabanjirije Inzira Intangiriro ya Rubber Inzira nyabagendwa zabanjirije reberi zahinduye uburyo ibikoresho bya siporo byateguwe kandi byubatswe. Ubu busanzwe, buzwiho kuramba n'umutekano, bwita kuri siporo zitandukanye, harimo inzira n'ikibuga, gusimbuka birebire, ndetse no gukoresha imyidagaduro. Ariko, ubwiza