2012 IADC/SPE Drilling Conference: Exclusive roundup of abstracts ... IADC/SPE ...Wiring Diagrams Well Drilled - The reason that the Nature’s Head works so well is the urine separation. Basically the front of the bowl is a funnel and the back of the bowl a chute.. Note: GIC is now Black Series Campers. Talk about one, and you’re talking about the other. I had just finished writing my story of our first camper trailer and at about the same time I was asked over Twitter my thoughts on a particular model — campers we’re very much in my mind. As I worked through some research, I stumbled across a story about GIC Campers that, well, fascinated me.. Clutch Head Screw Originated by United Screw and Bolt. The recess in clutch heads looks like a bowtie. In a pinch, a clutch head screw can be driven by a slotted screwdriver..