Turn the aerator housing counterclockwise and remove it from the faucet. Pull the O-ring off the tip of the faucet spout with your finger. The O-ring prevents leaking between the housing and the faucet. Set the O-ring in a safe place until you are ready to reinstall the housing.
After that, they are referred to as yearlings or stirks if between one and two years of age. A castrated male is called a steer in the United States; older steers are often called bullocks in other parts of the world but in North America this term refers to a young bull.
in mesopotamina and greek/roman tradition: the bull is a strong animal, so it represents strenght and youth. it isthe manly side of the vegetabile and animalic fertility and its horns are not only a phallic symbol but invoke the whole area of strong, healthy life, green fields, fertile soil, fertile animals, life.