please give a guess on this word. '....if you look something like vacuum...there is a (brusos,berso,?????) that rotate here, so the (bruso,versos??????) gonna take in certain amount of dirt, and they are gonna be attracted in this suction......' it sounds like bersos,burso,verso... it looks like rolling brush of the vacuum in diagram which the speaker drew. the speaker is not pro on vacuum,he just try to diagram basic functional vacuum,https://vid.me/H1dx is this website work?"https://vid.me/H1dx"https://vid.me/e/H1dx ——————————————————direct link?maybe this work