definiens: shall mean any occurrence beyond the reasonable control ( ) C such party that prevents ( ) r substantially interferes with the performance by a party of any of its obHgation.s herf!uoder, if such occurs by reason of any act of God, flood, fire, explosion, breakdown of plant, earthquake, strike, lockout . labor dispute, casualty or accident, or war, revolution, civil commotion, aeU ! of public enemies, blockale or embarro, or any injunction, law order, procllUPation, regulation . ordinance, demand or requirement of any lovemment or of any subdivision, authority or representative or any such government, inability to procure or use material !, labor, equipment, transportation, or energy lufficient to meet manufacturing needs without the neceuity of allocation, or any other cause whatsoever, whether similar or diuimilar to th05e above enumerated, beyond the reasonable control of such party, if and only if the party affected shall have used reasonable effons to avoid luch occurrence and to remedy it promptly if it shall have ocmrred