Log-periodic dipole array
| reverse of a Memorex 48x 700MB CD-R
| Missing imageDVDR-large.jpg reverse of a Maxell 4.7 GB DVD+R
| Uniden 2.4 GHz cordless phone model DCT 5285 handset
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Missing imageATTtelephone-large.jpg "Conventional" telephone from AT&T
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| Missing imageUS-power-strip.jpg US power strip
| Missing imageAquafina500mL.jpg Aquafina bottle
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Missing imageFireExtinguisherABC.jpg Fire extinguisher
| Missing imageOfficeThermostat.jpg Thermostat
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