The advent of chainsaw cutting tree machines revolutionized the forestry industry, significantly increasing productivity and streamlining the timber harvesting process.These machines are a testament to human progress. It's inspiring to see how far we've come in terms of technology and innovation.Witnessing the fastest big chainsaw cutting tree machines in action is both awe-inspiring and concerning, as their incredible speed accelerates deforestation rates, highlighting the need for sustainable forestry practices.All very good until they break down !! How long do the cutting chains last before necessary re-sharpening. and how long to sharpen or replace !! All that glitters is not gold by any means !! Need skilled highly paid operator as well !!