Zvizhinji zvezvigadzirwa zvedu zvakanyorerwa uye zvakawana chitarisiko chekuchengetedza patent yeHurumende Intellectual Property Hofisi. Ivo vane yakasarudzika uye yakasarudzika chitarisiko uye yakakwana ergonomics mumusika.

Panguva imwe, tinogona kugadzirisa maererano nevatengi’ munhu mumwe nomumwe anoda kuzadzisa zvido zvavo zvakasiyana. Kwete chete chitarisiko chinogona kugadziriswa, asiwo basa rechigadzirwa rinogona kugadziriswa maererano nezvinodiwa nemutengi.