https://joy.videvo.net/videvo_files/video/free/2019-02/large_watermarked/181004_10_LABORATORIES-SCIENCE_12_preview.mp4 Putting Slide Under Microscope Close up of gloved hands putting a glass slide under a microscope. 1080pbiologistbiologychemistchemistrycoll_pandemiccorona viruscoronavirusdiscoverdiscoveryequipmentexaminingexperimentglasslablaboratorymicroscoperesearchresearchersamplesciencescientificscientistsedimentslidewaterwater processing