heating of a country house with coal, a man loads coal in a bucket
Palabras clave
coal,
stone,
black,
dark,
energy,
fuel,
industry,
material,
mineral,
power,
texture,
textured,
mine,
cost,
effect,
environment,
exploitation,
extract,
extraction,
gas,
heat,
lignite,
manufacturing,
metallurgical,
miner,
resource,
smoke,
tiled,
type,
burning,
import,
men at work,
field,
picture,
dusty,
nature,
flames,
anthracite,
price,
poverty,
ash,
company,
global,
dirty,
business
