The document discusses the application and removal of casts. It defines a cast as a rigid external device used to immobilize and support injured body parts. The objectives are to define casts, learn how to apply and remove them, and provide post-cast care. Key steps in application include preparing equipment, positioning the injured area, applying padding and casting material, and ensuring proper drying. Care involves monitoring for complications and ensuring the cast remains intact and dry. Removal requires checking for healing and using specialized tools to carefully cut and remove the cast.