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Some welding methods bring the metal to a fluid state, and the edges flow together.
Q1: Preflow is the time during which gas
Q2: For joints that are to have more
Q4: Pressing the gun switch to start the
Q6: Electrodes with the rutile-based fluxes are easier
Q9: The avowed goal of the United Nations
Q11: The Panama Canal became the property of
Q13: Put the Vietnam conflict into perspective. What
Q17: To add 1/2 and 1/16 where both
Q22: The flat tee joint is more difficult
Q25: Globular transfer is generally used on thin