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Stopwatch - laboratory tool - Lossless PNG
Stopwatch - laboratory tool -...

200×200 2440 505

Microscope - cell observation - Transparent Background PNG
Microscope - cell observation...

208×208 1543 312

Microscope - optical device - scientific instrument - No Background PNG
Microscope - optical device -...

103×103 5078 1194

Dropper - medical supplies - High Resolution PNG
Dropper - medical supplies - H...

1080×1080 639 203

Microscope - laboratory tool - High Resolution PNG
Microscope - laboratory tool -...

512×512 3302 734

Glass Rod - laboratory tool - High Resolution PNG
Glass Rod - laboratory tool -...

512×512 280 77