(AGI) Rome, Sept 21 - The Italian Labour Union (UIL) was opento dialogue on Art. 18 of the constitution, but existingsafeguards must not be touched, Secretary-General LuigiAngeletti told AGI. No protection must be removed from thosealready covered. If it was a matter of creating a new systemdoing away with illegal sackings for people who were eitherunemployed or had contracts without safeguards, the union wouldbe prepared to discuss altering the content of Art. 18. . .