The manufacturer’s manhole covers are made of metal

 

or concrete

 

and come in square

 

, rectangular

 

, or circular

 

shapes.

No colored or gilded covers were found from this manufacturer, nor were any city emblems observed.

The purpose of the cover does not appear on many of them. On some, the word ΣΤΕΓΑΝΟ (wash water)

 

is inscribed, while on others, the name of the telecommunications provider appears

 

.

The manufacturing year is generally not indicated.
The cover dimensions are marked on many covers

 

(a rather common practice among Greek manufacturers).

Standards
The European standard EN124 and its associated load classes appear on many covers, with the most common classes being B125 and A15

 

. The international SGS certification mark

 

, the British Kitemark

 

, and others can also be found.

Typical Covers
Many covers feature a background of a square matrix

 

, while others have a chevron pattern (square

 

or circular

 

). Another common type includes a background of small raised squares

 

. Other variations can be seen at the bottom of this page. There are 32 manhole covers in the site that are made by the Manufacturer
Click for the 32 covers made by IAS (Of these, 0 are best covers)