Gutunganya I-beam

Ibisobanuro bigufi:

I-beam, izwi kandi nk'igiti rusange, ni umurongo muremure w'icyuma ufite igice cya I.I-beam igabanijwemo ibice bishyushye I-beam n'umucyo I-beam.Nigice cyicyuma gifite ishusho ya I-gice.