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Microscope - scientific instru...

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Microscope - observation - lab...

200×200 5010 1237

Microscope - optical device -...

128×128 2270 582

Test Tube Rack - chemical supp...

128×128 4923 1443

Microscope - experiment - High...

128×128 1481 397

Earth - world map - PNG Images

256×256 3953 978

Glass Tube - scientific instru...

205×205 799 259

Micrometer Symbol - symbol - H...

256×256 1648 397

Test Tube Clock - test - No Ba...

500×500 2915 876

horseshoe magnet - U shape - N...

256×256 959 292

horseshoe magnet - scientific...

1500×1500 1551 475

DNA Double Helix - scientific...

128×128 5210 1444

DNA Double Helix - laboratory...

116×112 836 256

Spherical Structure - scientif...

200×200 644 136

Laboratory Data Analysis - sci...

440×255 1006 273

Laboratory Flask - Designer Re...

200×200 4219 1107

Glass Tube - transparent - PNG

512×512 1782 396

Colorful Microscope - toy - Lo...

300×300 4818 980

horseshoe magnet - experimenta...

523×525 5157 1432

horseshoe magnet - metal - Tra...

1080×1080 211 49