that is why we are telling this pivoted type and if this coil is suspended from a rope is suspended from a rope, then we tell this suspension type.
म्हणून आपण तिला pivoted प्रकारची म्हणतो. आणि जर coil दोरीने टांगली असेल तर तिला suspension प्रकारची coil म्हणतात.