They are then spread out thinly on trays or racks made of bamboo, canvas or wire netting, under cover, for some 18 or 30 hours (according to the temporary weather conditions) to wither, after which they are in a soft, flaccid condition ready for rolling.
The wilted tobacco is suspended on racks in the sun.
Racks of this type usually become impracticable for gradients steeper than 1 in 4, partly because of the excessive weight of the engine required and partly because of the tendency of the cog-wheel to mount the rack.
He stepped into the bright sunlight and withdrew one of hundreds of grey swords housed in small racks along the back side of the dwelling.
This cam can be turned by hand in a vertical plane by means of a worm and wheel movement, and by turn - ing the worm the vertical distance between the bar which is attached to the springs and the rod which is attached to the racks can be increased or diminished, and thus the racks can be moved rela - tively to the springs.