Zinked and anodized screws.
Zinked and anodized screws.
Zinked and anodized screws frame.
Fluidized Bed Reactor connected to an anode, cathode and reference electrode. Laboratory experiment.
zinc electrowinning workshop closeup
Fluidized Bed Reactor with Purple Phototrophic Bacteria.
vacuum tube
vacuum tube
lamp on the white background
Background made of various alkaline and lithium-ion batteries, positive pole visible.
vacuum tube
vacuum tube
Background made of various alkaline and lithium-ion batteries, positive pole visible.
lamp on the white background
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Two old vacuum tubes
zinc electrowinning workshop
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Old vacuum tube
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Anaerobic purple and red Photobacteria cultures in a microbial fuel cell, with infrared illuminators
lamp on the white background
Background made of various alkaline and lithium-ion batteries, positive pole visible.
Used Dead Batteries - Hazardous Waste
Background made of various alkaline and lithium-ion batteries, positive pole visible.
heating element of water heater with scum and sediment isolated on white background
