An Act amending the act of July 12, 1972 (P. L. 847, No. 187), referred to as the "Strikebreaker Employment Act," further defining "strikebreaker"; further prohibiting the recruiting of, supplying of, employing of, offering oneself as, advertising for, and soliciting of a strikebreaker or substitute employee to replace an employee temporarily not working due to a labor dispute; and further providing for penalties.