![](http://www.alamy.com/thumbs/6/197A8E60-92E1-485E-B325-F8359F1FC12F/B7MHYT.jpg)
An air conditioning repairman using a voltage tester on a compressor unit
Size: 3361px × 5043px
Photo credit: © Lisa F. Young / Alamy / Afripics
License: Royalty Free
Model Released: Yes
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