Technical tables in logging engineering, forest work science and related matters - Chap. 3, Ground transportation.

animal de travail animales de trabajo bosques caballo de tiro camion camiones cheval de trait draught horses fisica forests grume handling hauling logs manutention operating costs physics physique road transport saca de la madera soil types tipos de suelos tracteur tractores tractors transport transport routier transporte transporte por carretera trozas trucks type de sol uses usos utilisation vehicles vehicule working animals