Water resources engineers check the purity of water flowing through pipes from natural water sources, environmentalist inspect the water resource.
Palabras clave
adult,
analysing,
beaker,
biologist,
biology,
biotechnology,
checklist,
chemical,
clipboard,
development,
dirty,
discovery,
ecologist,
engineer,
environment,
environmental conservation,
conservationist,
examining,
expertise,
exploration,
horizontal,
industry,
inspector,
male,
measuring,
microbiology,
nature,
occupation,
outdoors,
pollution,
problem,
protection,
quality,
quality control,
research,
river,
science,
scientist,
scrutiny,
solution,
surveillance,
surveyor,
test tube,
water
