The maintenance crew loaded the heavy pump-trolleys onto the truck before heading to the remote well site.

The hotel staff loaded the catering trolleys with fresh salads and hot entrees before the banquet.

The hospital inspected all the crash trolleys before the night shift.

The nurse wheeled the crash trolley into the emergency bay as doctors prepared for resuscitation.

Being off one's trolley can be a humorous way to say someone has gone mad, as when my neighbor painted his cat green.

The vintage trolleybus rattled along the cobblestone street, drawing curious tourists.

In the city center, trolleybuses glide quietly along the boulevards, connecting neighborhoods without producing local exhaust.

In the city center, the old trolleybusses rumbled past the market every morning.

The museum restored a trolleylike carriage to give visitors a sense of early urban transport.

The trolleyological study presented at the symposium raised new questions about ethical responsibility in automated tram systems.