Very simple My Dear Watson. The awkward traffic between Bessborough Drive and Bayview Ave on Millwood Rd. Monday was caused by workmen planting magnesium anodes in the curbside pavement. Magnesium anodes, when connected to metal water mains by a simple weld, are very effective at stopping corrosion of the water conduit. It is a relatively old technology, according to the foreman on this job. Magnesium anodes have been around about 30 years. Long may they resist the rusting of water mains.
Magnesium anodes look explosive in nature — but they’re not
