Sisitemu yo gutera imbuto ya pariki igabanijwemo imbuto zimuka, Ebb & Flow Rolling Bench hamwe nimbuto zihamye bitewe nikoreshwa.I. Urubuto rwimuka rwimuka rwimuka ni uruvange rwurubuto rwimbuto, uruziga ruzunguruka, igitereko, ikadiri yimbuto, uruziga rwamaboko, horizon ...