Σας επιτρέπει να πειραματιστείτε. Σοβαρός επιστήμονας κρατώντας το σιφώνιο στο δεξί χέρι και βλέπουν τη διαδικασία ενώ εργάζεστε στο εργαστήριο - Φωτογραφίες & Εικόνες Αρχείου

Biological tests. Selective focus of a test sample of the liquid being used in biological research

Just look at it. Attentive practitioner keeping mouth opened and looking at glass while dropping blue liquid

Professional research. Selective focus of a test liquid sample being put on the microscope slide while doing a professional biological research

Medical test. Serious attractive smart woman looking at the test tubes and taking vaccine samples for analysis while working in the test lab

Drop on glass. Attentive scientist keeping both hands in the air while pouring down one drop of reagent on the support and going to examine it.

Woman working in modern scientific laboratory, researching, experimental chemistry, using microscope, having concentrated expression.

Good job. Attentive blonde bowing head while examining reagents and sitting at her workplace

Chemical research. Cheerful brunette girl wearing medical uniform while working with reagent

Future breakthrough. Waist up shot of an adult woman wearing safety glasses using a pipette while taking a sample of a chemical substance.

Open eyes wide. Very attentive scientist wearing blue rubber gloves and looking at test glass while taking liquid

Modern equipment. Serious scientists looking at document and standing in semi position while discussing some questions

Controlled experiment. Selective focus on a set of test tubes standing on a table of a female researcher sitting at a microscope and examining samples in the background.

Pouring down. Attractive medical worker wearing white smock and blue rubber gloves bowing head while looking at test-tube