Sisitemu y'ingufu:imbaraga zitandukanye
Ibiranga ibicuruzwa: Bikwiranye no kuzamura marble, kuzamura amatafari yangiritse, gukata amabuye no gutunganya, gutunganya umusaruro wingenzi, kuzamura imiyoboro ya sima, nibindi.; Ukurikije inzira zisabwa kubakiriya batandukanye, ibikoresho birashobora guhinduka 0 ~ 90 °, kuzunguruka 0 ~ 360 ° nibindi bikorwa; kubutaka bubi, butaringaniye, urashobora guhitamo igikombe kidasanzwe cya sponge yo guhuza.