Iyi ngingo irashakisha abakora izdrofeluoric nabatanga mubudage, bagaragaza imbaraga zabo, imigendekere yisoko, ibipimo byumutekano, nibisabwa. Itanga incamake irambuye yinganda zinganda, zemeza ko abasomyi basobanukiwe n'uruhare rukomeye rwa acide hydrofluoric mu ruganda rugezweho kandi rukora ibigo bigezweho byo gutwara udushya no mu Budage.