The drain cleaning industry has matured a great deal in the past couple decades. That evolution continues, and like most aspects of modern society, it’s driven by technology.I remember when my grade school got its first computers. I don’t remember what we learned in the early days of those novel new machines. I mostly just remember classmates making banners, transferring boldly creative sayings like “Happy Birthday” from mind to monochrome monitor, to equally monochrome dots on perforated computer paper that unfolded from a box and rolled through the printer’s spool. The end product seemed like a low-tech version of the
