Man wearing hard hat, dust mask and glasses, close-up, b&w

Woman wearing hard hat, smiling, close-up, b&w

Man in suit wearing hard hat, close-up, b&w

Woman holding hard hat, close-up, b&w

Man wearing hard hat, dust mask and protective glasses, close-up, b&w

Three men wearing hard hats, close-up, b&w

Man wearing hard hat, pollution mask and glasses, carrying roll of insulation on shoulder, close-up, b&w

Two men and woman wearing hard hats, b&w

Builder looking at scaffolding, rear view, close-up, b&w

Four people wearing hard hats, one using laptop computer, b&w

Three people with hard hats examining blueprints, b&w

Hard hats lined up, b&w

Senior woman wearing knit hat and scarf, looking up, head and shoulders

Woman wearing knit hat and scarf, portrait

Woman wearing knit hat, looking away in thought, portrait

Hard hat tied to ladder, close-up, b&w

Woman looking pensive, close-up, B&W

Man wearing handcuffs and holding cigarette, close-up, b&w

Mature woman, side view, close-up, portrait, b&w

Woman's face, close-up, B&W

Lower part of woman's face, upside down, close-up, B&W

Woman shouting with joy, man in background, close-up, b&w

Woman's forehead, close-up, B&W

Woman's face, side view, close-up, b&w

Close-up of a woman wearing a beautiful hat.

Cinco de Mayo

Portrait of a young woman wearing hair curlers

A black and white drawing of a woman kayaking along a river

Studio shot of engineers

Close-up view of an architect using radiotelegraph

Closeup of black man in the night wearing a cap

Engineers with blueprint

An illustration of skilled workers

An illustration of communication between employees in various departments

A black an white version of a cartoon style drawing of a man dressed in a top hat and tails making an announcement

A wedding couple planning for their future

Woman wearing hard hat, close-up, b&w