Overflow drainsLe drains vengono ricavate da lastre con spessore elevato mediante segagione, sagomatura e successiva bocciardatura o fiammatura del piano con l’aggiunta di feritoie per lo... 
The overflow drains are made from thick slabs by sawing, shaping and subsequent hammering on the surface, creating a cavity on the length of the slab of approximately 2 cm for the collection of...
Kerbing corners are made from very thick slabs by sawing, shaping and subsequent flaming of the external sides (for at least 15 cm). Used almost always in pairs at the end of roadways, they connect...