Zinked and anodized screws.
Zinked and anodized screws.
Zinked and anodized screws frame.
Anodized steel vertical bars with unfocused background
Fluidized Bed Reactor connected to an anode, cathode and reference electrode. Laboratory experiment.
zinc electrowinning workshop closeup
Fluidized Bed Reactor with Purple Phototrophic Bacteria.
Old vacuum tube
vacuum tube
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Avionics details
Two old vacuum tubes
vacuum tube
lamp on the white background
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Background made of various alkaline and lithium-ion batteries, positive pole visible.
zinc electrowinning workshop
Anaerobic purple and red Photobacteria cultures in a microbial fuel cell, with infrared illuminators
zinc electrowinning workshop
vacuum tube
Rechargeable battery on blue background. Positive and negative terminals of rechargeable batteries.
Rechargeable battery on blue background. Selective focus negative terminals of rechargeable battery
Used Dead Batteries - Hazardous Waste
Two researchers working with Fluidized Bed Reactors in a laboratory.
vacuum tube
lamp on the white background
Avionics details.
lamp on the white background
Close up picture of filaments
Background made of various alkaline and lithium-ion batteries, positive pole visible.
