One of the chief difficulties was that the farming was actually going on and it was impossible to stop it all and start afresh; so that the machine had to be altered while it was working.
Una delle difficoltà principali consisteva nella circostanza che l’azienda era già avviata, che non si poteva fermare e riordinare daccapo, e che bisognava rinnovare la macchina mentre era in moto.