a greenhouse gas
boilers
brown coal
burner
chimneys
coal
column
combustion
construction
current
design
dust collectors
environment
generation
generatoir
heat
heating
high voltage
highvoltage energy
nature
network
nitrogen oxides
pollution
power
smoke
smoke sky
steam
sulfur oxides
switching
switching cables
technology
thermal power station
turbine
voltage
white and red
wires