12 Biscuit, cookie and cracker manufacturing manuals Nowhere in production areas should wood be used. This is easily splintered and pieces find their way into ingredients or dough completely removed from the production area and stored preferably in a reasonably clean condition) in a store remote from the factory. In many factories the machinery graveyard is an ideal home for marauding rats, mice and insects. It is ideal from their point of view because it is dry and undisturbed. Food can be taken there and breeding take place in relative comfort! The convenience of such a home should be denied within the 3. 2.5 Buildings and general factory areas A major source of contamination is from insects, animals and birds Also dirt or loose particles falling from overhead areas offer potential hazards Flying insects and birds must be excluded from the factory by sing screens over ventilation fans and windows which open Open doorways should have plastic strip or air curtains to prevent entry of insects and birds Doors to the outside should fit closely to the floor so that animals cannot enter at night or other times Rodent control systems should be regularly maintained and any bait must be placed only in specially designed and sited containers hich are clearly marked. Damaged bait containers should be disposed of immediately and safely. Trunking for wiring and other services should be well sealed to reduce the chance of dust accumulation followed by insect infestation High ledges and roof supports where dust can collect should be of sloping construction and be cleaned regularly. Good lighting should be maintained in all production areas and plastic screening, where appropriate, should be used to prevent glass falling on to the product if light bulbs or tubes are broken It is a requirement that all food workers are aware of these potentials for contamination and that they report to man- agement, without delay, any aspects that do not seem12 Biscuit, cookie and cracker manufacturing manuals Nowhere in production areas should wood be used. This is easily splintered and pieces find their way into ingredients or dough. As machinery is replaced or becomes obsolete it should be completely removed from the production area and stored (preferably in a reasonably clean condition) in a store remote from the factory. In many factories the machinery graveyard is an ideal home for marauding rats, mice and insects. It is ideal from their point of view because it is dry and undisturbed. Food can be taken there and breeding take place in relative comfort! The convenience of such a home should be denied within the production environment. 3.2.5 A major source of contamination is from insects, animals and birds. Also dirt or loose particles falling from overhead areas offer potential hazards. Buildings and general factory areas Flying insects and birds must be excluded from the factory by using screens over ventilation fans and windows which open. Open doorways should have plastic strip or air curtains to prevent entry of insects and birds. Doors to the outside should fit closely to the floor so that animals cannot enter at night or other times. Rodent control systems should be regularly maintained and any bait must be placed only in specially designed and sited containers which are clearly marked. Damaged bait containers should be disposed of immediately and safely. Trunking for wiring and other services should be well sealed to reduce the chance of dust accumulation followed by insect infestation. High ledges and roof supports where dust can collect should be of sloping construction and be cleaned regularly. Good lighting should be maintained in all production areas and plastic screening, where appropriate, should be used to prevent glass falling on to the product if light bulbs or tubes are broken. It is a requirement - that all food workers are aware of these potentials for contamination and that they report to man￾agement¶ without delay, any aspects that do not seem satisfactory