Giovane studentessa in piedi e che scrive su lavagna bianca in classe - Foto e immagini stock

Young female student standing and writing on white chalkboard in a classroom

Young female student standing and writing on white chalkboard in a classroom

Young female student standing and writing on white chalkboard in a classroom

Young female student standing and writing on white chalkboard in a classroom

Young female student standing and writing on white chalkboard in a classroom

Group of young business people discussing business plan at modern startup office building

Two young male and female students writing on the white chalkboard during a math class.

Businesswoman at modern bright office indoors

Engineer technician designing drawings mechanical parts engineering Engine.manufacturing factory Industry Industrial work project blueprints measuring bearings caliper tools. High quality photo

Within the heavy industry, a factory industrial engineer measures with a caliper and on a personal computer Designs a 3D model. High quality photo

Two business people using laptop preparing for next meeting and discussing ideas with colleagues in the background