Log loader loading felled tree logs from snowy terrain onto trailer

log loader load felled tree logs snowy terrain trailer forestry truck mounted pile commercial timber top aerial loading grapple loader timber harvesting grapple truck logs sweden snowy winter wood industry mechanized timber trade drone riser efficiency rear mounted truck grapple log loader logging deforestation harvested topdown drone snow timber environmental impact overhead cuttolength logging equipment machinery lumber deforest machine swedish europe industry lorry productivity stack