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What holds the filler metal in place on an open root weld?
Sunlight
The natural light emitted by the Sun, providing the primary energy source for Earth's climate and ecology.
Migratory Birds
Birds that travel from one region to another at regular times often over long distances, typically for breeding or weather conditions.
Excess Water
A surplus amount of water beyond what is needed or used, often leading to conditions like waterlogging in plants or overhydration in humans.
Fresh Water
Water that is not salty, often found in rivers, lakes, and streams, and is essential for many forms of terrestrial life.
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