After getting these four scores, to find score of posture A, table A has to be used in that the upper arm score ‘4’ and in that lower arm score ‘4’ wrist position score ‘3’ and in that wrist position score of ‘2’ has to be observed this will give the score ‘5’ for posture A which will be further get added to muscle and force/load score for final score of Posture A. Muscle score of ‘2’ has been found as the posture there is mainly static and the welding action is repetitive. And the load of welding gun is of around 2 kg and is again static and repetitive so it gives the score of ‘2’.After this score of posture A ‘5’ is added to muscle score and load score and the grand score of Posture A is ‘9’.