Izinto ezifunekayo kumaqela; zilungele ukuqokelela nokuqokelela intsapho. Iswitshi ejikelezayo: jika iswitshi ephezu kwepleyiti yeziqhamo kancinci, kwaye kulula ukuyivula okanye ukuyivala ipleyiti yeziqhamo. Isiseko sokungatyibiliki: i-silicone anti-skid pad ezantsi, i-anti-skid kunye ne-worse resistance.