Runners training for a marathon can get a stress fracture if they. escalate their training too quickly. Stress fractures occur when too much weight or stress is put on a weakened bone. It's often the result of an imbalance in bone health caused by actions that outpace the body's natural bone rebuilding process. See Stress Fracture Risk Factors.
(Intermediate Distribution Frame) A wiring rack located between the MDF (main distribution frame) and the intended end user devices (telephones, routers, PCs, etc.). Cables run from the outside world to the MDF and then to the IDFs. See MDF and wiring rack.
The MDF (medium density fiberboard) we use is a high grade, composite material commonly used in fine cabinetry and furniture. MDF is a great choice for many painted millwork applications â it mills well, it is strong and is more stable than solid wood. MDF is not 'particle' board or a low density fiber board sometimes used in lower grade cabinets.