Keywords: Vilniaus-sunkus-kanalizacijos-liukas-2007.jpg Heavy cast iron manhole cover of the city sewer in Vilnius Inscriptions Lithuanian standard number TS5101842-03-93 preceded by the http //www vpb lt/db/rezult3 php id 18960 trademark of its manufacturer Marijampole Strict Regime Corrective Labour Colony and followed by the production year 2001 abbreviation in the centre SKM according to the above mentioned standard this stands for Lithuanian sunkus kanalizacijos Marijampolė Heavy Sewer's Marijampole in English The title of standard is Lithuanian Stebėjimo šulinių špižinis liukas Techninės sąlygos Observation Manholes Cast Iron Cover Technical conditions It is in action in Lithuania from 25-Mar-1993 As of 2007 the colony still manufactures similar production Manhole covers in Vilnius |