| skos:altLabel | - dual
- vacuum
- both
- Dual
- vacuum ejector
- vacuum system
- Automatic vacuum
- Automatic vacuum brakes
- Dual Vacuum
- Dual air and Vacuum
- Dual brake
- Vacuum
- Vacuum brake booster
- Vacuum brake hoses
- Vacuum brake#Exhauster
- Vacuum controlled air brake
- Westinghouse brakes
- automatic vacuum
- automatically applied
- dual braked
- dual braking
- dual-braked
- dual-fitted
- fitted head
- simple vacuum brake
- train brakes
- vacuum brake
- vacuum brake ejectors
- vacuum brakes
- vacuum braking
- vacuum braking system
- vacuum ejectors
- vacuum hoses
- vacuum only
- vacuum operated
- vacuum operated brakes
- vacuum-braked
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