The Loom's functions are automated by default so any weavers will automatically collect spider webs (as they appear near the cave river) and weave any thread you have into cloth. You can change this behavior in the "set workshop orders" submenu of the orders menu ( - ).
 See also
|Workshops & Furnaces|
|Workshops||Alchemist - Ashery - Bowyer - Butcher - Carpenter - Clothes - Craftsdwarf - Dyer - Farmer - Fishery - Jeweler - Kitchen - Leather - Loom - Magma forge - Mason - Mechanic - Metalsmith's forge - Mill - Siege - Still - Tanner|
|Furnaces||Glass furnace - Kiln - Magma glass furnace - Magma kiln - Magma smelter - Smelter - Wood furnace|
|Related Articles||Clutter - Kennel - Shop - Trade depot|