HMC urukurikirane rwimyenda yimifuka yegeranya umukungugu ni ubwoko bumwe bwo gukusanya ivumbi.Ifata umufuka uzunguruka, sisitemu yo guhumeka ikirere hamwe nuburyo bwo koza ivu rya pulse, ifite ibyiza byo gukuraho ivumbi ryinshi, ingaruka nziza yo guhanagura ivu, kurwanya imikorere mibi, ubuzima burebure bwumufuka wo kuyungurura, kubungabunga byoroshye no gukora neza, n'ibindi.