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The ultimate manhole covers site

There are 49 manhole covers has the tag Warnings:       Show on map List mode

Boston - Don’t dump drains to Boston Harbor Loveland, Colorado - storm water London - Collect your dog’s feces Ikeda (Osaka) - Warning against bank transfer fraud Tel Aviv Port - Slippery Surface Tokyo - Chuo City - No smoking and no littering Kyoto - No Smoking Tel Aviv Port Promenade - Slippery Surface Tel Aviv - The Electric Company - Modular London - Pedestrian route, forbidden bicycle ride Rome - Trevi Fountain Auderghem - A sidewalk drainage with the inscription "The sea begins here" Nara - Don’t litter, no smoking The Electric Company - Tel Aviv - A Modular cover with hexagons in the background Scarborough (Toronto) - Danger - Sanitary Lakewood (Colorado) - Sewage Richmond (London) - Cycling is prohibited San Francisco - No Dumping London - Electricity Coral Gables - Danger Confined Space Zikhron Ya’akov - Public Works Department - Lighting Key West - Do not dump drain into the ocean Newark, DE - A drain cover with a no dumping label on it Sapporo - no smoking and no Littering St. John’s, NL - Confined Space St. John’s, NL - Confined Space (2) St. John’s, NL - High Voltage (2) St. John’s, NL - High Voltage (3) Berkeley - A drain cover with a no dumping label on it Vienna - warning against drinking fountain water Boston - drain cover with a requirement not to pollute Ottawa - lid with the word "danger" Jeju City - Sewage drainage The Electric Company - Tel Aviv - A Modular cover with hexagons in the background (2) Jerusalem - Electric Company - Modular Healdsburg - No Dumping Healdsburg - No Dumping (2) Sebastopol, CA - No Dumping Israel Electric Company - Tel Aviv - 2021 - Modular Tel Aviv - A sidewalk drainage with the inscription "The sea begins here" Beijing - Sewage Beijing - a cover with a background of squares made up of rhombuses Ibiza - drain cover with warning: the sea begins here Carquefou - drain cover with a warning: the Loire begins here... Taormina - ENEL - Danger of death Bilbao - Danger, high voltage Tel Aviv - electricity - modular Pasadena - Do not dump drain into the ocean Israel Electric Company - Tel Aviv - 2022 - Modular

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