(<= (Model-Id $X Counterweight_Guiderail_Model_M02) (Counterweight_Guiderail_Model_M02 $X)) (<= (Has-Parameter-Slot $X Counterweight_Weight_Limit) (Counterweight_Guiderail_Model_M02 $X)) (<= (Counterweight_Weight_Limit $X 11) (Counterweight_Guiderail_Model_M02 $X)) (<= (Counterweight_Guiderail_Unit_Weight $X 11) (Counterweight_Guiderail_Model_M02 $X))