GT: New Horizons GT++ ExxonMobil Chemical Plant Set-up Tutorial.

Greg Tech New Horizons GT++ Tutorial for setting up and using ExxonMobil Chemical Plant. Solid Machine casings dictate machine casing tier only. Neither dictate input/output hatch tier(s), input/output bus tier(s), or energy hatch tier(s). Consult Chemical Plant Manuel in NEI for valid solid casings, machine casings, pipe casings, and coils. GT:NH version 2.0.9.0