Isiteshi
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Insimbi yeshaneli engu-U ebandayo eyakhiwe nge-ASTM a36
Insimbi ye-U-section iwuhlobo lwensimbi ene-cross section njengohlamvu lwesiNgisi oluthi “U”. Izici zayo eziyinhloko ukucindezela okuphezulu, isikhathi eside sokusekela, ukufakwa kalula kanye nokuguqulwa okulula. Isetshenziswa kakhulu emgwaqeni wezimayini, ukusekelwa kwesibili komgwaqo wemayini, kanye nokusekelwa komhubhe onqamula ezintabeni.