Concepts
Overlap (railway signalling)
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Concepts
Overlap (railway signalling)
length of railway track left clear beyond a stop signal as a safety measure
uncommon · Q1267137
Related cards · scalar quantity
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Concepts
Atmospheric pressure
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Concepts
Boltzmann constant
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Concepts
Absolute zero
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Concepts
Azimuth
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Concepts
Capacitance
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Works
35 mm movie film
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Related cards · safety
See all 17.jpg/330px-New_Finnish_ID_card_(front_side).jpg)
Unclassified
Smart card
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Unclassified
Glove
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Meta topics
Hermetic seal
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Meta topics
Physical restraint
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Works
Safe room
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Concepts
Factor of safety
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