An Application for the Improvement of the Transportation System of the Flour in a Grain Mill using "PID Compact" Journal title: Analele Universitatii "Eftimie Murgu" Resita. Fascicula de Inginerie Authors: Eugen Răduca, Marius Schmidt, Cornel Haţiegan, Ioan Hălălae, Silviu Drăghici Subject(s):