logging in or signing up Sheep wool madhavi_23 Download Post to : URL : Related Presentations : Share Add to Flag Embed Email Send to Blogs and Networks Add to Channel Uploaded from authorPOINT lite Insert YouTube videos in PowerPont slides with aS Desktop Copy embed code: Embed: Flash iPad Dynamic Copy Does not support media & animations Automatically changes to Flash or non-Flash embed WordPress Embed Customize Embed URL: Copy Thumbnail: Copy The presentation is successfully added In Your Favorites. Views: 2114 Category: Education License: All Rights Reserved Like it (2) Dislike it (0) Added: September 14, 2009 This Presentation is Public Favorites: 1 Presentation Description No description available. Comments Posting comment... Premium member Presentation Transcript Slide 1: Wool is the fibre derived from the fur of animals principally sheep. There are two types of wool namely clipped or fleece wool taken from live sheep and pulled wool removed from sheep already dead. Slide 2: Merino wool is the best grade of wool. In addition to clothing, wool has been used for carpeting, felt, wool insulation and upholstery. Slide 3: SHEEP WOOL the breed of sheep the climate the shearing season The quality of wool varies according to: Slide 4: Good quality wool is produced by healthy and well fed sheep that usually live in cold regions or at high elevations. In order to keep warm, these sheep grow a full fleece and their bodies store more fat which increases the lanolin content in the wool.This makes it feel silky smooth, yet springy. Wool from sheep living in warm and arid regions is dry and brittle. Slide 5: Wool produced by sheep living at higher elevations and sheared during the Spring is considered to be the best quality. Slide 6: Wool is hand-spun using primitive utensils called Kirmen, a type of drop spindle, and traditional spinning wheels. Slide 7: Wool can also be industrially spun but the harsh twisting of the spinning machines can often break some of the fibers. THEREFORE… Slide 8: Hand-spun wool is always more valuable… Slide 9: GOAT HAIR Goat hair is occasionally found in oriental rugs in the side bindings or sleeve. but is more frequently used in the manufacture of saddle bags and cushions. Slide 12: The wool fibre The diameter of the fibre is small allowing very fine garments to be produced. The fibre is strong because the fibres interlock with each other to form a staple. Individual fibres may be pulled out but the remaining staple takes large forces to break Slide 13: The structure of the staple and the fibre itself allows excellent thermal insulation properties The Australian Merino mostly produces white wool that readily accepts dye allowing unlimited use of colour The factors that allow the wool to take in the dye also mean the wool will absorb large amounts of moisture without problems Slide 14: The Physical Properties of the Wool Fibre The factors determining the price obtained for a bale of wool are: •The diameter of the fibre •The strength of the staple •The yield •The colour of the wool Slide 15: Science of Shearing Shearing sheep to collect the wool is the purpose of the Woolshed. How do you shear a sheep? Slide 16: Sheep are actually easy to handle It is true that sheep will always follow. If one moves they all do. And the Woolshed was designed to put this idea to work, to help move the sheep efficiently through the shed. The shearer uses that behaviour to handle the sheep You do not have the permission to view this presentation. In order to view it, please contact the author of the presentation.