team inspector chemical and hazmat wearing protective mask using laptop and write note on clipboard. wastewater chemical residue

analysing authority automated biochemistry biohazard biology body checklist chemical chemistry clipboard comparison concentration danger dangerous discovery efficiency engineer environment equipment examining factory garbage harmful hazardous hazardousacedil hazmat human iexcl industrial industry inspector labcoat laboratory laptop manufacturing mask measuring men microbiology note occupation plastic pollution production protective recycling research residue safety science scientist substances team technology toxic uniform warning wastewater wearing white working write