Section must submit the list Calculate the size of the aluminum frame to the door - all windows. This will need to be able to wind force of not less than 80 kg. / Sq., In the high ground of 20 m., And not less than 120 kg. / Sq., In the higher part of the land. More than 20-40 m., Not less than 160 kg / sq., In the higher part of the ground was more than 40 m. Higher and has been dropped to allow the (ALLOWABLE DEFELCTION) does not exceed L / 240 of the. length
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