Bweretsani ku ndemanga
Zothandiza poyambira
- Chojambula cha mbiri, chithunzi cha gawo kapena chitsanzo
- Mapeto apafupi kwambiri kapena malangizo azinthu
- Chiyerekezo cha kuchuluka, utali kapena mawu ogwiritsira ntchito
Gawani zojambula zomwe zikuyenera kugwiritsidwa ntchito, mbiri yakale komanso momwe polojekiti ikuyendera. Malangizo amakambidwa pafunso lachindunji m'malo moperekedwa ngati chilangizo chapadziko lonse lapansi.
Chidziwitso choyenera chimathandizira kuwunikiranso zomwe zikugwirizana ndi funso la handrail.
Yambitsani kafukufuku waukadaulo ndi zojambula kapena zowonera zomwe zikuyimira bwino ntchitoyo.