"(2). . . . . . "(3). . . . . . "(4) The employment of a permanent workman employed on the monthly rates of wages may be terminated by giving him one month 's notice or on payment of one month 's wages (including all admissible allowances) in lieu of notice. "(4 A) The reasons for the termination of service of a permanent workman shall be recorded in writing and communicated to him, if he so desires, at the time of discharge, unless such communication, in the opinion of the Manager, is likely directly or indirectly to lay any person open to civil or criminal proceedings at the instance of the workman. "(5). . . . . . "(6). . . . . . "(7) All classes of workmen other than those appointed on a permanent basis may leave their service or their service may be terminated without or pay in lieu of notice : Provided that services of a temporary workman shall not be terminated as a punishment unless he has been given an opportunity of explaining the charges of misconduct alleged against him in the manner prescribed in Standing Order 25. "(8). . . . . . . "(9). . . . . . " 222 M.S.O. 24 enumerates 25 kinds of acts or omissions on the part of a workman which amount to misconduct.