Enerji tasarruflu ampul üzerinde koyu arka plan - Stok Fotoğraf ve Görsel

Ecological economical lamp isolate on white background

Compact fluorescent lightbulb isolated on black background

Economical fluorescent lamp. Close-up. On a dark background.

Spiral shaped bulb on black background. Energy image

A white bulb for energy saving

Energy saver bulb isolated at white background

Light bulb led , light from the lamp on dark background / energy saving idea , power saving concept

New energy saving light bulb on dark background.