When a massage therapist or business refers to medical massage verses just massage therapy they are generally distinguishing between a deep tissue, injury treatment or sports massage verses a relaxation, swedish or spa massage. The intention of the massage is different.
Calico (in British usage since 1505[1]) is a plain-woven textile made from unbleached and often not fully processed cotton. It may contain unseparated husk parts, for example. The fabric is far less fine than muslin, but less coarse and thick than canvas or denim, but it is still very cheap owing to its unfinished and undyed appearance.
C 314 Commercial Bronze. C 314 Commercial Bronze is a METALCO standard alloy and finds use in hardware applications, electrical applications, as well as fasteners and industrial applications. Uses include various electrical connectors, screws and nuts, pickling crates, fixtures and racks. It is also common in screw machine applications.