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When might the GTAW process be used to make only the root pass on a pipe weld?
Phosphorus
A chemical element with the symbol P, essential for life, involved in the formation of DNA, cell membranes, and bone and teeth structure.
Nucleic Acids
Complex organic substances that carry genetic information, consisting of two main types: DNA and RNA.
ATP
For the purpose of metabolism, ATP, a molecule, is essential in moving energy across cells.
Iodine
A chemical element essential for the production of thyroid hormones, which regulate metabolism and are crucial for growth and development.
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