煮沸しゃふつ消毒しょうどくでしょう
shafutsushōdokudeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 煮沸消毒

1. Probably sterilized by boiling.; Likely boiled for disinfection.

Polite
Presumptive
Conjecture