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 MIL-HDBK-1013/10
Figure 18.
Double Overhead Supported (Biparting) Gate.
The vertical lift gate (not shown), often referred to as a
"guillotine" gate, is not desirable and should only be used under extremely
unusual circumstances. Special gates, such as turnstile (rotational) gates
(Figure 19), are designed either for specific purposes or to accommodate
unusual circumstances.
Figure 19.
Turnstile (Rotational) Gate.
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