... to prevent the spread of disease.Ball-type high grade stainless steel nipples, long life, 360 can be any angle chicken drinking ... 8. Mechanical feeding, artificial feeding can be used Features: Ball-type nipple drinkers poultry Series 1, full water (360 °) and ... resistant delrin, APS engineering materials, used properly, can be used for 20 years. 4, low water pressure, flow science, applied to chicken ...