A physical therapist works with a patient. People who have been in accidents or have disabling conditions such as low-back pain, arthritis, heart disease, fractures, head injuries and cerebral palsy turn to physical therapists, commonly called PTs, for help.
Iron ore crusher. In the iron ore crushing plant, the most commonly used iron ore crushers are jaw crusher, impact crusher, cone crusher and mobile crusher. Jaw crusher for iron ore: Jaw crusher is used in primary crushing station. In the iron ore crushing plant, it can crush iron ore into small sizes.
The hammer mill has gone on to become the most widely used crusher utilizing high-velocity impacts to break rocks. However, while initially designed to crush rocks, the hammer mill was adapted for grinding grain for livestock feed.creenless models utilize air flow to separate particles. They were invented because replacing the screen, which is considered the most fragile component of the hammer mill, is costly and inconvenient. This is especially true for third world nations with little access to spare parts.