At the beginning, there used to be a few people who would, at the time of installing equipment on a customer's premises, train the personnel there to use it.
1 ¿a v CD r o q u e s t a e ' a η cora la cl e s; t i. η at ζ i. c? n e prevalente) in addestramento pratico: le nozioni teoriche vengono trasmesse e: o in e complemento dell 'addestramento ali 'uso aid casse-? m pi i o ci ce 1 I a m a e: c: h i η a u t ensi le.