(_a_) Good condition of machines, lathes and accessories; (_b_) Timely delivery of materials and tools necessary for the performance of the work; (_c_) Good quality of materials and tools; (_d_) Proper hygienic and sanitary equipment of the building where the work is performed (necessary lighting, heating, etc.). 115. The standard output for wage earners of each trade and of each group and category shall be fixed by valuation commissions of the respective trade unions (Section 62.) 116. In determining the standard output the valuation commission shall take into consideration the quantity of products usually turned out in the course of a normal working day and under normal technical conditions by the wage earners of the particular trade group and category. 117. The production standards of output adopted by the valuation commission must be approved by the proper Department of Labor jointly with the Council of National Economy. 118. A wage earner systematically producing less than the fixed standard may be transferred by decision of the proper valuation commission to other work in the same group and category, or to a lower group or category, with a corresponding reduction of wages. _Note._ The wage earner may appeal from the decision to transfer him to a lower group or category with a reduction of wages, to the Local Department of Labor and from the decision of the latter to the District Department of Labor, whose decision shall be final and not subject to further appeal. 119. If a wage earner’s failure to maintain the standard output be due to lack of good faith and to negligence on his part, he may be discharged in the manner set forth in subdivision “_d_” of Section 46 without the two weeks’ notice prescribed by Section 47. 120. The Supreme Council of National Economy jointly with the People’s Commissariat of Labor may direct a general increase or decrease of the standards of efficiency and output for all wage earners and for all enterprises, establishments and institutions of a given district. 121. In addition to the regulations of the present article relative to standards of efficiency and output in enterprises, establishments and institutions, efficiency of labor shall be secured by rules of internal management. 122. The rules of internal management in Soviet institutions shall be made by the organs of Soviet authority with the approval of the People’s Commissariat of Labor or its local departments. 123. The rules of internal management in industrial enterprises and establishments (Soviet, nationalized, private and public) shall be made by the trade unions and certified by the proper Departments of Labor. 124. The rules of internal management must include clear, precise and, as far as possible, exhaustive directions in relation to—