Different stages of a water filtration process shown by three illustrations of equipment and actions related to cleaning water
Schlüsselwörter
water,
filtration,
purification,
tank,
bubble,
pump,
equipment,
cleaning,
process,
circular,
motion,
spraying,
technology,
system,
liquid,
illustration,
clean,
treatment,
machinery,
tool,
science,
flow,
step,
illustration,
environmental
Deutsch
