a bus that operates using electricity from overhead wires rather than an internal combustion engine
τρολεϊμπούς, ηλεκτρικό λεωφορείο
to operate using a specific energy source
λειτουργεί με, τρέχει με
a source of power used for lighting, heating, and operating machines
ηλεκτρισμός
the energy that is obtained through different means, such as electrical or solar, to operate different equipment or machines
ενέργεια, ισχύς
a long and thin piece of metal that carries an electric current
καλώδιο, σύρμα
to make or design something that did not exist before
εφευρίσκω, δημιουργώ
as time passes or progresses
με το πέρασμα του χρόνου, σταδιακά με τον καιρό
the most important thing that is said or done which highlights the purpose of something
σημείο, κύρια ιδέα
a liquid used by cars, trucks, etc. as a fuel
βενζίνη, καύσιμο
a change in water, air, etc. that makes it harmful or dangerous
ρύπανση, μόλυνση
the natural world around us where people, animals, and plants live
περιβάλλον
producing or having a lot of loud and unwanted sound
θορυβώδης, φωνακλάς
the curve theoretically assumed by a perfectly flexible and inextensible cord of uniform density and cross section hanging freely from two fixed points
αλυσοειδής καμπύλη, καμπύλη αλυσίδας
the structure that creates the outer top part of a vehicle, building, etc.
στέγη, κάλυμμα
to be joined or linked together
συνδέω, ενώνω
electrical energy used to light, heat, and run devices
ηλεκτρική ενέργεια, ενέργεια
an object that turns chemical energy to electricity to give power to a device or machine
μπαταρία, στοιχείο
an intangible difficulty or challenge that must be overcome
δυσκολία, πρόκληση
a disruption or complete loss of electrical supply to a particular area
διακοπή ρεύματος, απενεργοποίηση
