Forwarder with grapple arm moves and stacks harvested logs

forwarder grapple arm logs timber industry grapple loader commercial timber stack move harvested overhead drone riser red snowy winter snowy terrain deforestation felled timber harvesting sweden logging deforest top down moving snow log loader aerial lumber productivity top drone timber environmental impact grapple log loader cuttolength logging forestry loading forest machinery wood machine swedish topdown industry mechanized wood industry stacked logs log pile tree trunks