Impregnated wood is wood treated with chemicals to protect it from decay. This treatment is called impregnation.
Roope Tonteri, snowboarding world champion in slopestyle and big air, says he aspires to be a forestry worker. Looking after forests is a badge of honour for him. It also strengthens his bond with nature. #forest #Finland #education #silviculture https://t.co/SoGREhZG9d