... ceilings, floors and drains, regular removing of wastes (labels, splinters) or installation of laminar flow in the filling area (Oriet and Pfenninger 1998) In the construction of beer dispensing ... and growth of contaminating L lindneri than ceramic glass beads Beer dispensing systems in pubs and restaurants were found to be prone to biofouling, resulting eventually in microbial contamination ... such cleaning cycles (Holah and Gibson 1999) Biofilms have been observed in bean processing factories, in dairies and breweries, in flour mills and malthouses, in sugar refineries and in poultry...