When using a soldering iron or gun, how would you prevent the occurrence of a cold solder connection?

What will be an ideal response?


Apply solder to the opposite side of the connection from the tip of the iron. Heat the wire until the solder flows into the strands of wire. This prevents a cold solder connection.

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What is the color of the warning light that indicates hydraulic system failure?

A) Amber B) Yellow C) Red D) None of these

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The __________ wire of a two-wire sinking sensor is connected directly to an external power supply terminal.

A. blue B. brown

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The Salem witchcraft trials were

A. a result of Roger Williams's activities. B. the result of unsettled social and religious conditions in rapidly evolving Massachusetts. C. caused by ergot in the Puritans' bread. D. unique to the English colonies. E. accusations made by the daughters of business owners.

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Most landscape plants are either specimen plants or accent plants

Indicate whether the statement is true or false

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