The assessment of the technological complexity of the work is a calculated value, determined in points, which serves to assess the amount of labor required to install a roof covering using double seam technology

WORKING TIMES.

A special place is given to the end of the seam seam on the cornice overhang of the roof slope. On the slang of roofers-tinsmiths, the name of this coating element sounds short and picturesque - a toe. Can't be more specific. A cleverly applied concept that describes both the shape and location of this node. Why is this element so much attention?

"On the unification of all methods of work production within the framework of the Unified System of Double Fold Technology". The purpose of the article: to introduce the concepts of "manual technology", "template technology" and "work on a pattern" to describe work using double fold technology, as about a UNIFIED system.