Random Urine Collection for Urinalysis. Random urine samples are used for urinalysis, which can screen and diagnose metabolic disorders and urinary tract infections. Your doctor may order urinalysis to determine, for example, the cause of bloody urine, abdominal pains or burning sensations associated with urination.
1 Place potato slices into a large bowl of cold water as you slice. 2  Drain, and rinse, then refill the bowl with water, and add the salt. 3  Let the potatoes soak in the salty water for at least 30 minutes. 4  Drain, then rinse and drain again. 5  Heat oil in a deep-fryer to 365 degrees F (185 degrees C).
Preheat enough cooking oil in the either deepest frying pan you have or deep fryer to properly cook the potato slices. Dip the potato slices into the batter you have made until coated on both sides and then place in the hot cooking oil and fry until golden brown and cooked. Then serve them. You can use whatever you like on them, for example, salt and vinegar, salad dressing, gravy, etc.