Amathiphu okuthenga ikheji lezinja

1. Bheka ukubukeka: akukho ukuvuvuka okungaziwa, ukuklwebheka, umbala ofanayo kanye nezinye izidingo zepulasitiki; Izidingo zezinto zebha yensimbi ezingenayo igqwala, iphunga,ikheji lezinja.

2. Bheka ukushisela: ukushisela kufanele kube okunengqondo ukuze kugwenywe ukuphuma kwezilwane ezifuywayo kanye nekhadi.

3. Bheka upende wokufutha: izidingo zokwelashwa kobuso bokuqhumisa isihlabathi, ukugqwala kwe-surface galvanized, upende wokubhaka oshisa kakhulu.

4. Amandla adonsela phansi: amandla okuthwala kufanele abe anengqondo futhi aqine.

5. Bheka phansi kwekheji: phansi kwekheji kudingeka ukuthi kwakhiwe ngendlela yokubethela, ukuze inja ikwazi ukuphila ngokunethezeka futhi izikhulule.