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.
A hammer crusher or hammer mill is a machine which crushes brittle materials such as limestone or coal, etc. through the use of high speed hammers.n American was responsible for the modern form of the claw hammer. In 1840, a Connecticut blacksmith, inspired by the adze, added a tapered neck that extended down the hammer handle, resulting in the so-called adze-eye hammer, which survives to this day.