A close-up image of a glass beaker filled with clear liquid, featuring a small floating indicator that shows high lead levels. The beaker is
Palabras clave
beaker,
glasses,
indicator,
laboratory,
closeup,
blurred background,
science,
research,
testing,
safety,
analysis,
chemical,
education,
visual,
copy space,
measurement,
contamination,
environment,
health,
monitoring,
toxic,
precision,
study,
graphic,
experimentation