Patellar (Kneecap) Fractures. A patellar fracture is a break in the patella, or kneecap, the small bone that sits at the front of your knee. Because the patella acts as a shield for your knee joint, it is vulnerable to fracture if you fall directly onto your knee or hit it against the dashboard in a vehicle collision.
Quality management system. A quality management system (QMS) is a collection of business processes focused on consistently meeting customer requirements and enhancing their satisfaction. It is aligned with an organization's purpose and strategic direction (ISO9001:2015).
ab qm is a pressure independent balancing and control valve which limits the maximum flow and at the same time function as a control valve operated by a several different types of danfoss actuators ab qm can be set to a precise design value and thereby provide full control over the real conditions in the system