Cuando se apilan láminas de acero o aluminio, se las debe mantener _____ para evitar la decoloración.
a. lejos de la luz directa del sol
b. en un lugar por completo oscuro
c. en un ambiente húmedo
d. completamente secas
d. completamente secas
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?In the Middle Ages, common products made by horners were ____.
A. ?horse shoes B. ?lantern windows C. ?gas lights D. ?musical instruments
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Explain why coaxial cable is still in wide use in industrial control systems.
What will be an ideal response?
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Where there is a requirement to add a second grounding electrode, the two electrodes must be spaced at least _____.
a. 12' apart b. 10' apart c. 8' apart d. 6' apart
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The technique of pruning topiary can be accomplished no other way than using hook and blade pruners
Indicate whether the statement is true or false
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