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Coronavirus covid-19 respiratory sputum specimen swab test tube with gloves, mask. a specialist in a protective suit examines the sample virus sars-cov-2. examination of sputum with suspected covid-19GRATIS
Collection of preserved plant stems, leaves and flowers isolated on white background from a high angle viewGRATIS
Blood and urine samples vector isolated. medical analysis in laboratory. test tube and container.GRATIS
Fictional blood samples with infected hepatitis virus, with stethoscope, mask and syringe and other stuff.GRATIS
Empty, transparent plastic, white container with a red lid for collecting urine on a yellow background. copy space.GRATIS
Rack with tubes blood test from patients for analysis in the hematology laboratory. technician working with tray blood tubes samples for testing in the preanalytical labGRATIS
Mineralogical specimen comprising crystals of pyrrhotite, galena and quartz, isolated on a white background; dalnegorsk mine, russiaGRATIS
Coronavirus covid 19 infected blood sample in sample tube in hand of scientist doctor biohazard protection clothing in coronavirus covid 19 research laboratory, coronavirus covid-19 vaccine researchGRATIS
Closeup of sample of natural mineral from geological collection - polished nephrite (green jade) gemstone isolated on white backgroundGRATIS
Medical worker holding coronavirus covid-19 np op swab sample test kit, nasal collection equipment, cdc submitting form, reverse transcription rt-pcr dna molecular nucleic acid diagnostic procedureGRATIS
Bending test this is a test to see the processing behavior of the material after bending. by considering to see if the outer surface of the test piece in the bending area has cracks or not.GRATIS
Bending test this is a test to see the processing behavior of the material after bending. by considering to see if the outer surface of the test piece in the bending area has cracks or not.GRATIS
Piece of silver or platinum on the stone floor, on black background. export ore from south africaGRATIS
Medical scientist hand in personal protective equipment suit (ppe) wearing blue latex gloves holding covid-19 test tube in hospital laboratory. male doctor getting result of coronavirus case.GRATIS
Fictional blood samples with infected marburg virus, with stethoscope, mask and syringe and other stuff.GRATIS
Medical scientist man in personal protective equipment suit (ppe), mask and gloves holding covid-19 test tube in hospital laboratory. male doctor getting result of coronavirus case. 2019-ncov researchGRATIS
Close-up of larvae of scarlet lily beetle (lilioceris lilii) eating green lily leaf in the garden. life cycle of a beetleGRATIS
Set of various obsidian (volcanic glass) natural mineral gem stones and samples of rock isolated on white backgroundGRATIS
Professional doctors perform tests from samples of blood tests to diagnose virus infections analysis and sampling of infectious diseases, medical concepts, and health care.GRATIS
Copper nugget, a chemical element with the symbol cu (from latin cuprum), at room temperature copper is in a solid state.GRATIS
Beautiful bright multi-colored collection of natural stones and minerals from around world lies on black background. amber, carnelian, pyrite, amethyst, emerald, agate. beautiful stones and mineralsGRATIS
Little girl at home during taking nasal mucus test sample from nose performing respiratory virus testing procedure showing covid-19GRATIS
Beautiful light blue crystals of the collectible mineral celestite close-up. celestine is the main ore of strontiumGRATIS
Closeup of sample of natural mineral from geological collection - polished shungite rock isolated on white backgroundGRATIS
Coronavirus concept for a blood test. a young woman doctor reading or filling a medical test form for coronavirus testing.GRATIS
Closeup of sample of natural mineral from geological collection - raw talc (soapstone) rock isolated on white backgroundGRATIS
Text showing inspiration instance. business idea an example or single occurrence of something particular situation typist creating company documents, abstract speed typing ideasGRATIS
Penicillium branches, ascomycetous fungi under the microscope. to humans ascomycetes are a source of medicinal compounds, like antibiotics, for fermenting bread, alcoholic beverages and cheese. photo.GRATIS
Closeup of sample of natural mineral from geological collection - rough rhodolite (pyrope garnet) crystal on white marble background from lokirima, lodwar, turkana dist, riffvalley prov, kenyaGRATIS
Amazing natural pyrite mineral also known as fools gold with glossy and metallic geometric crystal stucture.GRATIS
Closeup of sample of natural mineral from geological collection - polished prasiolite (green quartz) gem stone isolated on white backgroundGRATIS
Closeup of sample of natural mineral from geological collection - polished charoite rock isolated on white backgroundGRATIS
Covid diagnostic and testing. doctor making nasal coronavirus pcr test for black teenager, using swab stick at clinicGRATIS
Healing chakra crystals therapy. alternative rituals, gemstones for wellbeing, meditation, destressGRATIS
Doping for athletes. gold, silver and bronze medal and pills with capsules on a gray backgroundGRATIS
Closeup of sample of natural mineral from geological collection - unpolished psilomelane rock isolated on white backgroundGRATIS
Variant virus, coronavirus, spike protein. omicron. covid-19 seen under the microscope. sars-cov-2, 3d renderGRATIS
Platinum nugget, noble metal, found free in nature in the form of nuggets, used in the production of catalystsGRATIS
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