 
<translate> Q: A cikin Burtaniya, Ordnance Datum (tsayin mita 0 a kan taswirar Burtaniya) shine matsakaicin matakin teku da aka auna a Newlyn a Cornwall tsakanin 1915 da 1921. Kafin 1921, ma'aunin ya kasance MSL a Victoria Dock, Liverpool.  Tambaya: a ina ake auna matakin teku a Burtaniya? Bari mu ba da rafi na sani a kasa <eng> Q: Context: In the UK, the Ordnance Datum (the 0 metres height on UK maps) is the mean sea level measured at Newlyn in Cornwall between 1915 and 1921. Prior to 1921, the datum was MSL at the Victoria Dock, Liverpool.

Question: where is sea level measured in the uk?
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