1. Ubume bensimbi obuphezulu, ubomi benkonzo ende.Onke amacandelo aphambili ashushu-diphu afakwe isinyithi emva konyango ngokwemigangatho yaseYurophu ukuqinisekisa ukuxhathisa okugqwesileyo komhlwa.
2. Isakhiwo esenziwe ngaphambili.Onke amacandelo anokudityaniswa ngokulula kwindawo eneziqhagamshelo kunye neebholiti kunye namantongomane ngaphandle kwe-welds eyonakalisa i-zinc coating kwizinto eziphathekayo, ngaloo ndlela iqinisekisa ukuxhathisa ukubola.Imveliso esemgangathweni yecandelo ngalinye
3. Ukucwangciswa kwe-ventilation: umatshini wefilimu okanye akukho festile