| 1. | The explosives were planted under the forward door of the trolleybus.
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| 2. | As of the 2010s, at least 30 trolleybus manufacturers exist.
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| 3. | In such cases, a normal trolleybus frog can be used.
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| 4. | In Milan, most its circular trolleybus line once or twice.
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| 5. | The T31 / T32 trolleybus chassis was also available from 1947.
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| 6. | Diesel BRT is also much less expensive than a trolleybus system.
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| 7. | The Rosario trolleybus system consists of only one main trunk line.
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| 8. | It is co-located with the active service trolleybus depot.
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| 9. | Ermita is also not far from trolleybus Line " E ".
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| 10. | Buses mostly produced in Cherkasy while trolleybuses are manufactured in Lutsk.
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