● Burashi ya botolo la silikoni imakhala ndi kutentha komwe kumazungulira madigiri 360 kuti kuyeretsa kukhale kosavuta
● Burashi ya mawere a silikoni yokhala ndi mutu wopindika, wosinthasintha poyeretsa mawere kapena zishango za mabere
● Burashi yotsuka udzu yokhala ndi zingwe zopindika kwambiri, zosakanda kuti ikhale yosavuta kuyeretsa mkati mwa udzu ndi mapaipi opindika kapena machubu.