Lights hang in a sewage tunnel in New York City.

Science Worker injecting fluid substance into microplate

Closeup of cleaning hardwood floor with a mop. Low angle shot, mop moves towards and away from the camera, partially in focus. There's blue bucket at the edge of the frame.

Typical food establishment at the streets of Bangkok. Pan. Not looking very hygienic.. but was very tasty

Closeup of a razor shaving a woman's legs

Healthcare Dental Cleaning Service at Clinic

Healthcare Dental Cleaning Service at Clinic

Healthcare Dental Cleaning Service at Clinic

Closeup of cleaning ceramic tile floor with a mop. Surface level shot, mop moves towards and away from the camera, partially in focus. There's blurry blue bucket in background and cleaner's feet.

Cleaning living room carpet with a vacuum cleaner. Carpet is gray colored and thick, top view. Hardwood floor next to the carpet. Typical vacuum sound included.

Science Worker filling fluid substance from flask into test tube

A scientist uses a beaker then a test tube.

Two scientists heating liquids.

A lab technician works in a science laboratory.

Close up of foot during a cleaning, pedicure

Helianthus tuberosus salad healthy breakfast for weight loss.

Young Beautiful Woman Beauty Products. Beauty Care

Preparing patient for a dental treatment

Moisturizing skin

Young Beautiful Woman Beauty Products. Beauty Care

Beauty Care. Young Beautiful Girl Applying Moisturizer

Nail foot off.

Young Beautiful Woman Beauty Products. Beauty Care

Glove Wash