(<= (Model-Id $X Counterweight_Guiderail_Model_M03) (Counterweight_Guiderail_Model_M03 $X)) (<= (Has-Parameter-Slot $X Counterweight_Weight_Limit) (Counterweight_Guiderail_Model_M03 $X)) (<= (Counterweight_Weight_Limit $X 40000) (Counterweight_Guiderail_Model_M03 $X)) (<= (Counterweight_Guiderail_Unit_Weight $X 16) (Counterweight_Guiderail_Model_M03 $X))