Damp and condensation can cause black mould to appear on your internal walls and window frames. In the majority of cases wall damp and mould problems can be dealt with pretty easily and can be caused by something quite obvious when you have pin-pointed the source of the moisture. typical Damp Proof Course â if this is faulty or missing it may be the cause of the damp and mould on your walls. As with the majority of materials, things degrade and break over time and this is also the case with DPCs. With a slate DPC, this can break and crack over a period of years and the same goes for felt DPCs.
Shoulder joint: The flexible ball-and-socket joint formed by the junction of the humerus and the scapula.
The shoulder is composed of four joints: 1  The glenohumeral joint is the main joint of the shoulder. 2  It is where the rounded top part of the arm bone, the humeral head or ball, meets the socket (glenoid) of the shoulder blade. 3  This joint is referred to as a ball and socket joint in terms of its shape and function.