small I section, small I profile, light I section
section having a cross-sectional shape resembling the letter I and where the nominal height is less than 80 mm (see: sections, I section; compare: heavy section), profiilmetall, mille ristlõige sarnaneb I tähega ja mille nimikõrgus on alla 80 mm (vt profiilmetall, I-profiil; vrd jämeprofiil)
