1. Umbhobho omdala kunye nomlinganiselo wesiphakeli sephayiphi.
2. Izinto zombhobho zi-pyknotic kwaye zilingana, kwaye ezinye izinto azikwazi ukuqhuba kakuhle umsindo;
3. Umphezulu wodonga lwepayipi unepeyinti efana nepeyinti;
4. Ukusetyenziswa akusiyo ipayipi yamanzi epheleleyo;
5. Ingaphakathi lombhobho linamaqamza omoya amaninzi okanye iipesenti ezinkulu zezinto eziqinileyo;
6. Umbhobho/ityhubhu ethe tye ayinde ngokwaneleyo.
7. Indawo yokufaka imitha ikufutshane nombhobho ongaphezulu ofake ivalvu;
8. Isiguquli okanye ukuphazamiseka kwengxolo kwindawo.
9. Isixhobo esilinganisiweyo luhlobo lomxube okanye ulwelo oluthile olune-acoustical conductivity embi, efana nelindle eluhlaza, udaka, udaka, njl.njl.
10. Ulwelo oluvela kwicala lokuhamba kombhobho lusuka phezulu ukuya ezantsi okanye lufakwe njengendawo ephezulu yombhobho, nto leyo ebangela ukuba amanzi ombhobho angazaliswa okanye amaqamza azalise indawo yokufakela.
Ixesha lokuposa: Juni-30-2022