1. Palibe zotsalira m'dera lonse, RFU <5;
2. Kugwira ntchito kwambiri: Malinga ndi makonda osiyanasiyana ndi masinthidwe a laser, kumenya kumatha kukhala mkati mwa masekondi 0,5;
3. Zigawo zonse zam'maso zimapangidwa modziyimira pawokha, kukonzedwa ndikusonkhana, ndipo chiwongolero cha Laser Laser chapangidwa modziyimira pawokha;
4..