https://joy.videvo.net/videvo_files/video/free/2019-02/large_watermarked/181004_10_LABORATORIES-SCIENCE_11_preview.mp4 Preparing Microscope Slide CU Close up of gloved hands preparing a sample on a microscope slide. 1080pbiologistbiologychemistchemistrydiscoverdiscoveryequipmentexperimentglasslablaboratorymicroscoperesearchresearchersamplesciencescientificscientistsedimentslidewaterwater processing