Canada News

A 672-megawatt dam in Canada runs six turbines set in concrete that has been swelling from the inside for about 40 years, up to a fifth of an inch a year, knocking their shafts out of plumb, so engineers keep sawing slots through it with diamond wire - Autonocion.com

A 672-megawatt dam in Canada runs six turbines set in concrete that has been swelling from the inside for about 40 years, up to a fifth of an inch a year, knocking their shafts out of plumb, so engineers keep sawing slots through it with diamond wire Autonocion.com