![Strong, Durable and Easy to Maintain](https://cole-plumbermag.imgix.net/https%3A%2F%2Fwww.plumbermag.com%2Fuploads%2Fimages%2Fc1112_photos_money_machines_duracable_dm30.jpg?crop=focalpoint&fit=crop&fp-x=0.5&fp-y=0.5&h=620&ixlib=php-1.1.0&q=75&w=1024&s=62fd2381f705400e13d91cb2b2f20724)
When it comes to productivity and durability, John Stemmle knows a good thing when he sees it. That's why his company, Stemmle Plumbing Repair Inc., in Richmond, Va., owns 17 Duracable DM30 cable drain cleaning machines – one for each of the company's service trucks.
Over the...