Ausgeschnittene Ansicht einer Frau, die LED-Lampe und Taschenrechner in den Händen hält, isoliert auf gelb, Energieeffizienzkonzept - Stockfoto & -bild

Cropped view of male hands holding led and fluorescent lamps next to calculator in hands isolated on white, energy efficiency concept

Flat lay with arranged various school appliances on pink

Selective focus of euro banknotes, keys, piggy bank, calculator and house model on white desk, mortgage concept

Selective focus of euro banknotes, keys and piggy bank on desk, mortgage concept

Cropped view of woman using calculator near lamps on white background, energy efficiency concept

Cropped view of fluorescent lamp and calculator in male hands, energy efficiency concept

Top view of arranged yellow schooling supplies on red

Top view of blank notebook with various studying supplies and waffle cone on yellow