Preservation of biomaterial for analysis in a special refrigerator

Here are some items I recommend

• Pupil of smart school wearing VR glasses
• Pupil of smart school wearing VR glasses
• Worker holds a piece of triplex glass in his hands
• Man breaks triplex glass with a hammer
• Upset young person pressing a page with a pencil
• Mother scolding daughter for viewing inappropriate content on smartphone in suite
• Mother snatching mobile phone out of her adult offspring hands
• Despondent daughter using mobile phone during quarrel with parent
• Female patient is engaged in a kinesiology clinic
• Patient is engaged in a kinesiology clinic
• Always trying to find quiet places in big city
• Lovely couple finding quiet place to spend the afternoon
• It is time to move on and find another place for us
• General practitioner writing on a blank white page
• Pencil in doctor hand over a white page
• Smiling woman making e-commerce sales calls
• Teamwork of saleswomen in e-commerce call center
• Females professionals in e-commerce calling to customers
• Test tubes with samples for analysis in a special centrifuge
• Set with test tubes with biomaterial for general urine analysis