O a uiga o Alloy 20?
- E sili ona lelei le fa'a'a'ele'ele o le sulfuric acid
- Lelei le tetee atu i le chloride faʻamamafa taʻei
- Lelei faʻainisinia meatotino ma faʻapipiʻiina
- Laiti carbide timuga i le taimi uelo
- E sili i le tetee atu i le pala ile sulfuric acids vevela
Taimi meli: Aukuso-12-2020