Zinc blocks attached to boat rudder to act as sacrificial anode and prevent corrosion.
Keywords
metal,
technology,
equipment,
machine,
tool,
industry,
object,
laboratory,
black,
pure,
zink,
block,
shape,
screwed,
steel,
ship,
boat,
hull,
rudder,
sacrificial,
anode,
prevent,
corrosion,
corrode,
rust,
stop,
electric,
mobile phone,
set,
up,
galvanic,
engineer,
mechanic,
skill,
bolt,
nut