安全ベストと手袋を着用した社会的に活発な多様な愛するカップル,一緒に公園を掃除. - ストックフォト＆画像

Group of people volunteers standing with arms crossed gesture at park

A girl in noise-absorbing headphones and a folder on a blue background

Thoughtful architect or engineer serious thinking against grey background

African American man worker, holding communication radio and report on white isolated background, to worker and industrial concept.

An electrician in the fields near the power transmission line. The electrician manages the process of erecting power lines. The mechanic in a helmet and a reflective form and special gloves at work.