Vista del científico masculino a través de tubo de metal - Foto e imágenes de stock

Ophthalmologist examines the eyes with handheld lense

Measurement of metal parts mechanic engineer

Doctor Wearing Protective Face Mask, Medical Person with Protection Equipment in a Quarantined Hospital Against COVID-19 Pandemic

Portrait of pharmacist in lab coat at pharmacy

People in white coat showing an object

An engineer is at an outdoors lab

Doctor is hand washing at the hospital

Researcher inspecting a dark liquid inside a flask

Medical staff looking at bottled products

Painter teaching paintbrush technique to apprentice

Lady looking at object in her hand

Optician examining senior male patient