Eliminating the volume control component from the inside of the casing reduces the noise in the circuit, allowing the music to be heard more clearly.

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The second glaring item of the many problems that the operator has faced was the failure of the newly designed remote control guns that Schlumberger insisted would successfully perforate the casing.

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The denser mud had been, up until this time, the primary pressure control and was keeping the hydrocarbons in place despite the lack of an adequate cement job at the casing shoe.

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