Hello; Most of the information you provided was very good however you showed pictures of machines different than the ones you were talking about in many cases. For instance Bertha the boring machine for Seattle drilled a single tube but your first video of it showed 2 side-by-side tubes being drilled. You also showed a Krone forager harvester during the John Deere forager discussion and a Caterpillar dozer into discussion of the world's largest dozer. Its amazing how far technology has come, from advancements in production, to machines becoming more efficient and cost effective. Whenever we have a project , but don’t have the right machine for the job, we just build one! Whether its an enormous mass that can crush through rock, or a 45,000 ton saw, powerful enough to cut through mountains, here are the 15 Extreme Industrial machines Ever Made.