For the Straw Bales construction the Straw is the main material to keep the structure of the building and taking the load as a wall because of that, massive pressure is needed to form many straw into one block so that the block of straw can be used on the construction. Straw-bales can be made from a range of plant fibers, not only grass-family species like wheat, rye, barley, blue-grass and rice, but also flax, hemp, and so on. Bales of recycled materials like paper, pasteboard, waxed cardboard, crushed plastics, whole tires and used carpeting have also all been used or are currently being explored for building. Basic straw-bales are produced on farms and referred to as "field-bales". The size of the straws are come with different size, from small "two-string" ones 460 mm wide by 350 to 400 mm high and 0.8 to 1.2 m long to three-string "commercial bales" 6.4 m wide, by 4.8 m high, by 0.91 to 1.22 m long. These sizes range fr