While projectile injuries are not uncommonly encountered in veterinary practice, many clinicians are not very familiar with the various weapons and projectiles that may be involved or with the types of injuries that can occur. Whether or not an individual has an interest in firearms, a basic knowledge of projectiles and ballistics can help a clinician to predict the types of injuries expected i...

Department of geography, Pennsylvania State University. University Park, Pennsylvania 16802. USA Abstract. Appropriate technology(AT) has become an integral part if the programmes for decentralized regional development in the third world appropriate techniques are usually low in capital coststhey can be maintained without a high level of expertise, and they do not involve patents, expensive cop...