Ukuveza Ikusasa: Ukuvuselela Amaphrojekthi Wezakhiwo Zensimbi

# I-Evolution of Steel Structures Steel ibiyisisekelo embonini yokwakha amashumi eminyaka, kepha izinto ezintsha zakamuva zithathe le nto ehlukahlukene ekuphakameni okusha. ## Izinto ezithuthukile ezihamba phambili ziyizinsuku zemishayo yensimbi yendabuko namakholomu. Namuhla, onjiniyela basebenzisa izinto ezithuthukile ezifana nensimbi enamandla aphezulu kanye nezakhiwo ezihlanganisiwe ukudala ukukhanya, okunamandla, kanye ne-sustai eningi