The top section holding the turnout is the 'PEM' and the on rail trolley is the 'LEM'

The top section holding the turnout is the 'PEM' and the on rail trolley is the 'LEM'
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Taken with a Canon EOS 50D
Date: April 25, 2013 09:36 AM
Exposure Time: 1/800 sec
Aperture Value: f/11
Focal Length: 65 mm