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.
A grip safety is a lever or other device located on the back of the handgunâs grip which must be depressed by the shooterâs hand, when naturally grasping the gun in a firing position, so the gun can fire. It is usually similar to a manual safety in its function, but is momentary.