45 Even without prior boilermaker experience, some of these iron and steelworkers could choose to move to boilermakers with much less than a full four-year training requirement because of their knowledge and skill level.
Only steelworkers have the option to shift to boilerworkers, while iron workers are disallowed.
mnli hypothesis: Only steelworkers have the option to shift to boilerworkers, while iron workers are disallowed. premise: 45 Even without prior boilermaker experience, some of these iron and steelworkers could choose to move to boilermakers with much less than a full four-year training requirement because of their knowledge and skill level.