फोजाबनाय आबादनि बिगुरनि सिमायारि गुबैथिनि अनजिमानि रुजुथाया ( MPX1 / MPX2 ) जायो ।
The combination of equipment that is needed for producing some thing of a definite amount , that can be modified by replacing the amounts of one equipment by amounts of other equipment .