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.
Your Safety Manual Is It Doing It's Job. A workplace safety manual is put in place to not only protect the workers that you hire. They are there to protect everyone involved. A good manual will, save you money, bring you more clients and help your business run more efficiently.