Χημικός ανάμειξη παχύρρευστο υγρό σε φιάλη με ένα γυάλινο σωλήνα. Εργαστήριο εργαζόμενος προετοιμασία υγρά το πείραμα. Κινηματογράφηση σε πρώτο πλάνο τα χέρια. - Πλάνα & Βίντεο Αρχείου

Instruments and tools. Assistant in operating room checking preparations for surgery, close-up

Two workers pack fresh raw duck meat into vacuum packages. Process of preparing avian meat for sale in stores. Close-up.

Two workers pack fresh raw duck meat into vacuum packages. Process of preparing avian meat for sale in stores. Close-up.

Unrecognizable woman in blue protective gloves spraying sanitizer and rubbing sport equipment in gym. Female employee in white antiviral suit disinfecting sports club on coronavirus pandemic

Close-up of male hands in green gloves working with blood in modern Laboratory

Health care worker in protective antiviral suit writing Covid-19 on a sheet of paper. Global pandemic problem, coronavirus infectious disease, lockdown, quarantine. Shooting over shoulder

Close-up side view of concentrated sportswoman in protective eyeglasses and respirator lifting barbell in gym. Portrait of young Caucasian woman training on Covid-19 pandemic lockdown

Chemist put dry powder into a measure cup on the electronic scales. Scientist measuring the weight of the powder. Close-up.