Sewers don’t stop clogging just because it’s 40 degrees below zero with the wind chill factor during northern-Canada winters. Technicians at D&S Industrial Inc. in Winnipeg, Man., have to keep working, too, no matter how brutal the conditions.That’s exactly what they do, thanks to an 800-HPRTV jet/camera truck made by Sewer Equipment Co. of America. When the jetter isn’t in use, the insulated truck’s recirculation system keeps water from freezing without the use of antifreeze. But once the truck arrives at a job site, technicians sometimes have just five minutes to set up and start jetting, or the water in
