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