Heavy orange excavator with big bucket working on top of a ballast pile.
Carpentry background image with woodworking tools on the table and a man’s hands measuring a wooden board with measuring tape and pencil.
Image with industrial buildings, producer of green electricity and heat, surrounded by nature, under a colorful sky.
Cityscape with a section of the Charles Bridge and the river Vltava, which crosses Prague, Czech Republic.
Image with a heat and electricity factory, based on an environmentally safe technology, surrounded by green nature.
Pile of different citrus fruits, from oranges, lemons, mandarins and the strange shaped fingered citron (citrus medica scientific called). Picture taken at a market in Paris, France
A yellow wheel loader with chains on its tires, ready to remove the snow from the mountain paths. A lovely winter scenery from the austrian Alps
Image with an electric power plant with all its units, in the middle of green vegetation, under a dramatic sky.
Close up with the details of an orange excavator arm and bucket in a pile of ballast