Zinked and anodized screws frame.
Anodized steel vertical bars with unfocused background
zinc electrowinning workshop closeup
Fluidized Bed Reactor with Purple Phototrophic Bacteria.
Two researchers working with Fluidized Bed Reactors in a laboratory.
Vacuum electronic lamp with bulbs. Vintage large vacuum tube that lights up from her desk in lab
Rechargeable battery on blue background. Positive and negative terminals of rechargeable batteries.
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Close up picture of filaments
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Two old vacuum tubes
Avionics details
zinc electrowinning workshop
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Rechargeable battery on blue background. Selective focus negative terminals of rechargeable battery
Power block.
Background made of various alkaline and lithium-ion batteries, positive pole visible.
zinc electrowinning workshop
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Used Dead Batteries - Hazardous Waste
Used Dead Batteries - Hazardous Waste
Avionics details.
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Blue Purple Plasma ball
heating element of water heater with scum and sediment isolated on white background
