зүлгүүрийн машин ppt. PowerPoint Presentation. Let's Talk Plastic Free plastic bags are too expensive United States uses 100 billion plastic bags per year: = 12 million barrels of petroleum or 504 million gallons = $4 billion/year cost passed onto consumers 13 bags = petroleum to drive 1 mile Plastic bags take 400 – 1,000 years to biodegrade Less than 10% of plastic bags are ...
машин үйлдвэрлэлийн зүлгүүр ба зүлгүүрийн диск. OEC - Economic Complexity Ranking of HS92 Products ( 2015) The Economic Complexity Index (ECI) and the Product Complexity Index (PCI) are, respectively, measures of the relative knowledge intensity of an economy or a product.