Treating Sleeping Sickness. The type of treatment depends on the stage of the disease. Drugs used in the first stage of the disease are of lower toxicity and are easier to administer. However, treatment success in the second stage of the disease depends on a drug that can cross the blood-brain barrier.
Definition of casinghead gas. : natural gas rich in hydrocarbon vapors that is taken without processing from an oil well.
Enhancement and improvement costs. 1  A PVC conduit is essentially a long sleeve for the gas line pipe, which acts as extra protection against damage and gas leaks. 2  A steel casing pipe 1 is an additional pipe that fits around the gas line to protect it from leaks and damage.