Some are feeding deterrents used by the starfish to discourage predation. The leaves are used in various traditional medicinal preparations, and also used as pest deterrents. They have the advantages of being reusable, strong visual deterrents to potential theft. There are also powerful legal deterrents to this way of stealing insurance protection. Some high-tech automotive keys are billed as theft deterrents. Acoustic deterrents may help to reduce bat mortality at wind farms. Moreover, perceived deterrents are differentiated into social groups. To date these have not proven to be significant deterrents. Several deterrents to the widespread adoption of cloud computing remain. Furthermore, the findings provide no support to the theory that electric deterrents attract sharks. It is sometimes argued that civil liability can create new deterrents to police misconduct. Deterrents such as creosote, diesel oil, or ammonia can be used. Deterrents faced by adults are multifaceted, including both external and internal factors. Distance along with financial constraints act as deterrents from seeking medical help. There are several deterrents to kidnapping in the United States of America.