…lled staple length (the average of the length of fibres in a sample, https://en.wikipe- dia.org/wiki/Staple_(wool)) can have a positive impact on the spinning techniques. The Bronze Age sheep wool finds from Hallstatt have a staple length of about 5 cm, whereas the Iron Age finds…

…process. This process is doubly collaborative in user-generated systems such as Wikimedia, where online help is under constant revision, positioning users as au- thors and editors of crowd-sourced documentation. If technical and professional Foreword xv communication seems more f…