_______________ is a unique compound that consists of a methane molecule encased in a crystal lattice of ice
Fill in the blank(s) with the appropriate word(s).
Methane hydrate
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The term ____________________ describes the ease with which a metal can be welded properly.
Fill in the blank(s) with the appropriate word(s).
The OSH Act prohibits employers from retaliating against an employee who refuses to work in an environment he or she believes may be unhealthy.
When soldering or brazing, the __________ torch is a popular choice because the kit is small, lightweight and easy to maneuver.
A. air-acetylene B. oxy-acetylene C. MAPPTM D. propane
Which of the following is true about antennas?
A. the size is proportional to the wavelength B. lower frequency signals require larger antennas C. most are active devices D. omnidirectional types provide the best directional gain