The manufacturer’s covers are made of metal

 

and are square

 

or rectangular

 

in shape.

No colored covers were found (except for one cover whose post-production painting is unclear

 

), nor any gilt covers from this manufacturer.
City emblems also do not appear on the manufacturer’s covers.

The intended purpose of the cover is usually unknown, except in cases where the word ΣΤΕΓΑΝΟ appears (on covers in Greece – wash water)

 

or when the cover is a drainage cover

 

.

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

Standards
Most covers bear the British Kitemark standard

 

and the European EN124 standard with its associated load classes (A15-D400)

 

.
Since these covers are used relatively widely in Greece, the Greek ELOT standard mark can also be found

 

.

Typical covers
Many covers feature a background of small squares

 

or large dotted (octagonal) patterns

 

.
Many covers are diagonal (square or rectangular covers composed of two triangles, with the opening performed by lifting one triangle)

 

.
On many covers, the cover’s dimensions appear

 

. There are 12 manhole covers in the site that are made by the Manufacturer
Click for the 12 covers made by NIF UK (Of these, 0 are best covers)