The practice of locating natural gas and petroleum deposits has been transformed dramatically in the last 20 years with the advent of extremely advanced, ingenious technology. In the early days of the industry, the only way of locating underground petroleum and natural gas deposits was to search for surface evidence of these underground formations.
Thumb Safety. No, the problem with a Thumb Safety is it's a Minor Motor Skill the way your brain see's it. Under a stressful situation you may loose all minor motor skills. All my guns I train with and I train consistantly, do not have any safeties.
By Ken Eriksen. Head Coach â University of South Florida. The thumb is an important part of performing the skills of fastpitch softball. There have been exceptions to this rule (when the non-throwing thumb is injured) but by and large to perform at a productive level, we need eight fingers and two thumbs.