Describe two types of pure risk for which the technique of risk pooling can be used to reduce risk effectively, as well as two types of pure risk in which the technique cannot be used effectively. In your answer, briefly describe the characteristics of the pure risks that make them well (or poorly) suited for the risk reduction through pooling. Describe two types of pure risk for which the technique of risk pooling can be used to reduce risk effectively, as well as two types of pure risk in which the technique cannot be used effectively. In your answer, briefly describe the characteristics of the pure risks that make them well (or poorly) suited for the risk reduction through pooling.