The ultimate manhole covers site
(21 manhole covers)
, rectangular
, or square
in shape.
.
.
,
.
. Communication covers display the name of the telecommunications company or the term RIKSTELEFON (a trademark for a telephone network)
. On sewage covers, the letter A is often found, standing for Avloppsvatten (sewage)
.
and Alvesta
,
, Ulefos NV from Norway
, Niemisen Valimo from Finland
, and Uponor, also from Finland
.
.
.
Furnes Norway (4)
,
Tierps Järnbruk (2)
,
Ulefos nv (2)
,
Alvesta - Sweden (1)
,
Niemisen Valimo (1)
,
Pipelife (1)
,
Uponor (1)