• He waea ngāwari, he waea totoka hoki me te PVC, te Teflon (PTFE) me te silika
whakamātao kōne
• Kāore he kino ki te waea nā te āhua motuhake
mata
• Kāore e hiahiatia he hononga o ngā waea takitahi
• He ngāwari te whakakapi i ngā whakaurunga mata
• Ka uru ngā whakaurunga katoa ki te whare kotahi
• Mā ngā pae ārahi i roto i ngā rīpene mata ka āwhina i te tūnga tika-
te hononga o te waea i roto i te taputapu