How to say slab in different languages

You can say slab as laatta in the following countries: Finland; Northern Mariana Islands;

You can say slab as lastra in the following countries: Italy; San Marino;

You can say slab as аполак in the following countries: Belarus;

You can say slab as горбыль in the following countries: Russia;

You can say slab as горбиль in the following countries: Ukraine;