Studio Ing. Della Porta@studioingdellaporta

I help people defend themselves from EARTHQUAKES! Structural design and seismic improvement. My goal is to spread the prevention of #EARTHQUAKES. https://www.studioingdellaporta.it Write to me: @mauriziodellaporta

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مرکز مجری آموزش ایمنی وزارت کار@academyhse

Contact us@mdefaei Academy link↙https://telegram.me/joinchat/BeTi0zvXtkzozHDuvTX_rA

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etabs_beton_foolad@etabs_beton_foolad

@mahdikhan1376, ask any questions you have and introduce the channel to your friends @etabs_beton_foolad

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