конус бутлуур үйлдвэрлэгчид Европ. harga хоёр дахь эрүү бутлуур нь 150 250. . MTM Methods-Time Measurement MTM is a procedure which analyzes any manual operation or method into the Basic Motions required to perform it and assigns to each motion a predetermined time standard which is determined by the Influencing Factors under which it is made.