AS/NZS 5000.1 zingwe zokhazikika zokhala ndi nthaka yochepetsedwa kuti zigwiritsidwe ntchito m'mabwalo apakati, ng'onoang'ono ndi madera ang'onoang'ono pomwe zotsekeredwa mu ngalande, zokwiriridwa mwachindunji kapena m'manjira apansi panthaka a nyumba ndi mafakitale akumafakitale pomwe sizingawonongeke ndi makina.