A method for monitoring sound in an in-ground pipeline via at least first and second in-ground acoustic sensors wherein the first in-ground acoustic sensor is in contact with the in-ground pipeline and the second in-ground acoustic sensor is spaced from both the first in-ground acoustic sensor and the in-ground pipeline. In particular, the golf dub head of the present invention comprises a channel that includes a track. The firmware storage device to store Basic InputOutput System firmware andor Non-Volatile Random Access Memory Data of an Extensible Firmware Interface compliant computer system. During inhalation, the valve system functions to produce a vacuum within the thorax to increase blood flow back to the right heart of the person, thereby increasing blood circulation and blood pressure. The advantages of using the invention include immediate availability of pattern data of a particular mask to the microlithographic tool for improved integrated circuit productivity. The invention thus relates to the plants, seeds and tissue cultures of the variety CH392881, and to methods for producing a corn plant produced by crossing a corn plant of variety CH392881 with itself or with another corn plant, such as a plant of another variety.