Trying to learn how to translate from the human translation examples.
From professional translators, enterprises, web pages and freely available translation repositories.
cuando un barril no ha servido desde hace mucho tiempo, es indispensable de esterilizarlo, porque debe de estar limpio (estéril) y no debe causar ningún mal olor. escaldarlo es insuficiente incluso con agua hirviendo, la temperatura no es bastante alta para garantizar la destrucción de los fermentos.
when a barrel has not been used for a long time, it is indispensable to sterilize it, because it must be clean (sterile) and must not bring any bad odors. scalding, even with boiling water, is insufficient ; the temperature is not high enough to ensure the destruction of ferments.