Source identification of the pictures and photos used:

122593345 – Farmer in tractor preparing land with cultivator © ValentinValkov www.fotolia.de
77681572 – abstract technology background Business & development direction © kras99 www.fotolia.de
124447756 – Truck on the road © b-photodesign www.fotolia.de
71791579 – Bagger auf Baustelle Raupenbagger mit Aushub © Petair www.fotoloia.de