The most common treatments to make fabric waterproof are silicone impregnation or polyurethane coating. The strength of bonded powder prints can be enhanced with wax or thermoset polymer impregnation. Two different methods exist&colon; dyeing with gold or platinum chloride and carbon impregnation. The solution is used for fire retarding agent of wood by impregnation. LOSP treatments often use a vacuum impregnation process. The resin impregnation is required to provide resistance to distortion and stretch. Liquid filling is sometimes used as an alternative to potting or impregnation. ACQ is applied at a timber treatment plants by industrial vacuum-pressure impregnation. Cow Play often involves fantasies of lactation and impregnation. The oil impregnation also deters insect damage. Treatment by wax impregnation in 1952 has apparently stabilized it. The improved process involves a technique called "double impregnation" and is still in use. A good impregnation is important to get a homogeneous cook and low rejects. They are a surface application with a minimal impregnation for internal use. It requires intensive management, early weaning, exogenous hormones, and artificial impregnation.