A hydrometer is an instrument used to measure the specific gravity,or relative density,of liquids. Here,one is used the check the density (concentration) of a car battery | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Degginger, Phil |
Bildgröße: | 3588 px × 5498 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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