On Thursday 14 February 1929 the mine employers gave Giving their 9,750 employees 14 days ' notice , that they ( the miners ) should accept Agree_or_refuse_to_act the following new conditions : A wage reduction of 12½ per cent on the contract rates , one shilling ( $ 0.10 ) a day on the `` day wage '' rate ; all Lodges must give Giving the colliery managers the right to hire Employment and fire Process_end without regard Know to seniority ; all Lodges must agree Agree_or_refuse_to_act to discontinue Process_end pit-top meetings Social_event and pit stoppages .

According to the official version , Alekseychik was fired Process_end from his natural gas technician job several days prior to the explosion Catastrophe , and to get even with his former employers and the city he sabotaged Committing_crime the gas system thus causing Causation the tragedy .

The workers wanted better working Being_in_operation conditions while the employers wanted to protect Preventing_or_letting their business interests .