Meaning of ontelolaatta | Babel Free
/ˈonteloˌlɑːtːɑ/Määritelmät
hollow core slab, voided slab, hollow core plank, concrete plank (precast slab of prestressed concrete typically used in the construction of floors in multi-story buildings)
CEFR-taso
C1
Advanced
This word is part of the CEFR C1 vocabulary — advanced level.
This word is part of the CEFR C1 vocabulary — advanced level.