such correlations are of course an indication that further research is required on the importance of labour in the manufacturing and operating costs of renewables as shown in this table most of the positions of the occupations identified require an apprenticeship generally available through craft unions of the positions require graduation from high school and require some form of college degree and require an engineering degree while not comparable to the operation of npps it would be comparable to a module fabrication factory for a small modular reactor smr however there is little publicly available information on the organisation of an smr factory see epi p the number of engineers required to produce wind turbines is far below the number required to produce and operate nuclear reactors although it is similar to the number of engineers required to operate a waste management facility nea forthcoming p