16. Zoletsedwa posamalira kalirole ndi mandala a zida za laser?

Zochita zotsatirazi ziyenera kupewa:

(1) Gwirani mandala ndi manja.

(2) Kuwomba ndi pakamwa kapena pampu ya mpweya.

(3) Gwirani zinthu zolimba.

(4) Kupukuta ndi pepala losayenera kapena kupukuta mwamwano.

(5) Kanikizani mwamphamvu pamene mukuchotsa.

(6) Musagwiritse ntchito madzi apadera oyeretsera kuyeretsa mandala.