Parakalountai oi foithtes tou 2ou etous pou theloun na laboun meros sto proairetiko ergasthrio mhxanikhs twn reustwn na dhlwsoun summetoxh mexri kai tis 26/03 akolou8wntas ton e3hs sundesmo : http://www.chemeng.ntua.gr/courses/tp1/pclab_register.htm