The Langdale industry produced roughly hewn ( or so - called '' rough - outs '' ) axes and simple blocks as well as the highly polished final product and all were traded on throughout Britain and Ireland .
The Langdale industry produced roughly hewn ( or so - called '' rough - outs '' ) axes and simple blocks . 
 The highly polished final product were usually made elsewhere , such as at Ehenside tarn in the western fringes of the Lake District , and all were traded on throughout Britain and Ireland .