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