Joana, parece ser que Panot es un nombre o marca registrada... son moldes especiales...

Ve la pagina que indico y tal vez te ayude:

http://www.grupexcuatro.es/panots/1/1.htm

VISITE EL SITIO SEGUIENTE:
http://www.grupexcuatro.es/panots/1/1.htm

or, as they are also known in the construction industry, simply "pavers." Because the subject here is highway or road construction ("construcción de carreteras"), it is extremely unlikely that ceramic tiles would be used, because they are small, fragile, easily damaged, and expensive (both as a material and in terms of the labor that would be necessary to lay them down). -- In this case, "paving stones," "pavers," or (as illustrated at the web site below) "patterned paving stones" would be a better English term. -- Suerte!

is another alternative, which would be applicable if the patterns are cast in the form of individual concrete blocks and then applied to the road surface. -- Hope this helps!