Refaire ses lacets...

14 ways to tie shoelaces. I'm going to have to invest in some serious shoes so I can try all these ways to tie shoe laces.

Smoke pollution produced by Pittsburgh factories

"Smoke pouring into the air from a Pittsburgh steel mill, Each month the steam boilers and furnaces of its industries, railroads, and homes dumped 100 tons of pollutants on its streets.

Smoke pollution produced by Pittsburgh factories

"Smoke pouring into the air from a Pittsburgh steel mill, Each month the steam boilers and furnaces of its industries, railroads, and homes dumped 100 tons of pollutants on its streets.

Barriers of being a Responsible Customer: government policy on the environment is focussed on emissions within our own country

Beijing's Pollution

LEMPART Barriers of being a Responsible Customer: Government policy on the environment is focussed on emissions within our own country.

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