1. Byoroheje nikirere ariko ntabwo ari ibyisi kandi byuburyo bwiza
2. Igishushanyo mbonera gikonje, hamwe nuburyo bwacyo, reka ube ahantu heza muri benshi
3. Igishushanyo cyoroheje-cyoroshye, cyoroshye guhuza imihindagurikire yumutwe, guhumeka kandi byoroshye uruhu runini, nta gitutu, byoroshye kwambara
4. Igishushanyo mbonera cyumutwe, kiramba, urwego rwohejuru kandi rwanditse
5. Ijwi ryihariye rya cavity disikuru igice 50MM, umuhanga wumukino wumukino wumwuga, umva amajwi kugirango umenye umwanya, fata amahirwe
6. Mikoro yunvikana cyane kugirango uhamagare neza
7. Gukoresha insinga zumwuga wohejuru, kurwanya stress, kurwanya ihohoterwa, kugirango ubwiza bwamajwi ya terefone busobanutse kandi bwera, ubwiza bwamajwi nibyiza, kandi biraramba