Features:
1. Iyo dhayamita yemuviri we silo inogona kugadzirwa zvisina tsarukano zvinoenderana nezvinodiwa.
2. Yakakura yekuchengetedza simba, kazhinji 100-500 matani.
3. Muviri we silo unogona kuparadzaniswa kuti utakurwe uye uunganidzwe panzvimbo.Mari yekutumira inodzikiswa zvakanyanya, uye mudziyo mumwe unogona kubata akawanda silos.