Covers by this manufacturer are made of metal .
The shapes of the covers are rectangular , square , or round .
No colored or gilded covers have been found for this manufacturer.
City emblems do not appear on the manufacturer’s covers.

Covers intended for the communications sector usually bear the name or logo of the communications provider .

The year of manufacture generally does not appear on the cover.

Standards
The European standard EN124 and its associated load classes are found on many covers, with the most common load classes being C250 and D400 .
The Italian UNI standard appears on many covers , as does the Italian IGQ standard .

Typical covers
Most covers feature a background of diamonds in various sizes , .

Many covers are diagonal (square or rectangular covers composed of two triangles, with opening done by lifting one of the triangles ).
On some covers, lifting hinges can be seen at the edges of the cover . There are 16 manhole covers in the site that are made by the Manufacturer
Click for the 16 covers made by FERB (Of these, 0 are best covers)