Cure the sweet potatoes for 1 to 2 weeks. Keep the roots in a room or other location that reaches between 75 and 80 degrees Fahrenheit (24 and 27 degrees Celsius) with relative humidity of 90 to 95 percent.1  The sweet potatoes need to cure for at least 7 days, but they can be kept there for as many as 14 days. The sweet potatoes need to cure for at least 7 days, but they can be kept there for as many as 14 days. 2  The curing process creates a second skin that forms over scratches and bruises, allowing the sweet potatoes to last longer in storage.
The state of the art spinning wheel in England was known as the Jersey wheel however an alternative wheel, the Saxony wheel was a double band treadle spinning wheel where the spindle rotated faster than the traveller in a ratio of 8:6, drawing on both was done by the spinners fingers.
Dry spinning: Dry spinning is used for polymers that need to be dissolved in a solvent. Solvent spinning (dry spinning and wet spinning) are used by 30% of the fibers. Spinning process: â¶ In dry spinning, a volatile solvent is used to dissolve the raw materials and form a salutation. â· Then the solution is purified by filter.