a place where electricity is produced from the energy of tides (the rise and fall of sea level)
to join metal objects by using heat
spark (n)
soldering iron (n)
tidal power plant (n)
a tool used to heat and join metal objects
weld (v)
a device or instrument used to change or build things
tool (n)
a hot glowing particle that “jumps” from a fire or burning substance
