3 ms·

Alternative hypothesis, with regard to roughnecking, provided by Occam's Razor and biology: https://www.reddit.com/r/dataisbeautiful/comments/4vcxd0/almost_all

• kxyvr 9y ago
  In current practice, there's plenty of roughnecking work that involves action beyond slinging pipe. There's a huge amount of monitoring, surveying, and other engineering work that has nothing to do with physical strength.