Scientist analysis professional wearing glasses and safety glove under working analysis water quality by get waste water to check water case in laboratory is environment pollution problem concept

Related tags:

• flask
• pollution
• waste
• environmental pollution
• scientist
• environment
• chemical
• biological
• eco
• sewage
• scientific
• laboratory
• river
• research
• bacteria
• gloves
• infection
• natural
• bottle
• outdoor
• toxic
• concept
• 16+