The gemologist's expertise in her laboratory fixes the value of precious stone of the polariscope.
Female scientist experimenting in laboratory
Rear view of scientist standing by window at laboratory
Close-up of food on table
Chocolate labrador retriever dog in the green ears on head. clothes for dogs. carnival, halloween
Cropped hand testing chemicals in laboratory
High angle view of chemical being poured from pipette in petri dish on table
Close-up of scientist working in laboratory
Female scientist holding medical sample at laboratory
Double exposure of microscope and test tubes
Cropped hand examining chemical on slide in laboratory
Portrait of man holding yellow camera
Close-up of holding laboratory glassware
Close-up of chemical in laboratory glassware
Doctor analyzing chemicals in laboratory
High angle view of dog running on field
Hands of doctor prepares form for covid 19 vaccine
Close-up of test tubes in laboratory
Young girl playing science experiment at home
Female scientist examining chemical in laboratory
Covid-19 vaccination
Doctor wearing mask against blue background
Close-up of hands holding lab glass
Digital composite image of scientist working in laboratory
Scientist performing scientific experiment at laboratory
Close-up of test tubes in rack on table
Dog swimming in sea
Close-up portrait of scientist performing experiment at laboratory
Close-up of dropper with essential oil over bottle
Midsection of doctor holding liquid in container
A male ophthalmologist sits at a workplace at a computer and writes with a pen
Midsection of woman using laptop at office
Close-up of chemicals in laboratory glassware on table
Cropped hand of scientist experimenting in laboratory
Scientist working in laboratory
Close-up of doctor examining over microscope
White pots with seedlings of beetroot, peas in an artificial climate
Close-up of test tubes on table at laboratory
Nurse tightening the elastic band on a male patient arm to collect a blood sample from in a clinic
Boy is engaged in scientific research. a child with a test tube and a pipette in his hands.
Close-up of flask on table
Scientist doing scientific experiment in laboratory
Microbiologist preparing bacterial cultures in a research laboratory, holding petri dish stacks
Close-up of illuminated electric lights on table
Midsection of scientists holding hands at laboratory
Close-up of glass bottle against blue background
Close-up of female scientist experimenting in laboratory
A girl optometrist examines the eyes of a patient using special modern equipment
Close-up of pipette with purple liquid
High angle view of petri dish on table
Close-up of microphone
Close-up of dog against sky
Young woman wearing warm clothing during winter
Cropped hand of scientist wearing surgical glove while working in laboratory
Microbiology lab work. stacks with petri dishes containing bacterial cultures.
Dog on sea shore
High angle view of medical equipment
Close-up of wet grass
Cropped hand examining in laboratory
Digital composite image of scientist doing experiment with chemistry formulas
Close-up of chemicals in test tubes at laboratory
Double exposure of female doctor holding clipboard with chemicals in laboratory
Close-up portrait of mid adult man holding camera
Side view of man looking at window
Close-up of laboratory glassware on table
Close-up of scientist working at laboratory
Scientist working at table in laboratory
Portrait of happy girl holding table
High angle view of mannequin against black background
Midsection of scientist doing experiment in laboratory
Digital composite image of molecular structure with test tubes
Coding class, school girl constructing robot arm mechanism. multiethnic children making science
Doctor wearing mask vaccinating patient in clinic
Labrador retriever standing on field
Mother helping daughter in science project at home
Cropped image of female chef preparing food in commercial kitchen
Pink beauty face oil dripping from gold dropper on blue background. skin care cosmetic advertisement
Close-up of male scientist analyzing chemical in laboratory
Portrait of girl holding table
Close-up of dog against sky during sunset
Scientist examining yellow chemical in laboratory
Oil painting restoration expert repairing damage on the canvas
Midsection of scientist doing experiment at laboratory
Portrait of smiling young woman using mobile phone
High angle view of chemicals in petri dishes on table against white background
Portrait of black labrador retriever swimming in sea at beach
Midsection of scientist examining chemical in laboratory
Close-up of doctor examining medical x-ray at clinic