Wool Processing and Properties

The video tutorial explores the relationship between wool and hand cream, highlighting how lanolin, derived from wool grease, is a common ingredient in hand creams. It traces the history of wool production from ancient times to its global expansion, particularly in England and Australia. The video details the properties of wool, such as durability and insulation, making it ideal for clothing. It explains the processes involved in wool production, including cleaning, sorting, blending, carding, spinning, and weaving, to produce wool fabric.

What substance found in sheep's fleece is processed into lanolin?

• Animal fat

• Fleece wax

• Sheep oil

• Wool grease

When did people start spinning wool into yarn for weaving fabric?

• Around 10,000 years ago

• Around 4000 BC

• In 50 AD

• In 1797

Which country did the Romans bring wool production to around 50 AD?

• France

• Germany

• England

• Spain

What are some properties of wool that make it ideal for clothing?

• Lightweight and waterproof

• Soft and transparent

• Durable and wrinkle-proof

• Stretchable and shiny

What is the purpose of grading wool fibers?

• To check for moisture content

• To assess the quality based on length, color, waviness, and fineness

• To determine the color

• To measure the weight

What is the name of the smooth flat sheet produced during the carding process?

• Strip

• Bale

• Web

• Roving

What is the purpose of the spinning frame in wool processing?

• To dye the wool

• To stretch and spin the roving into yarn

• To blend different grades of wool

• To clean the wool

How many strands per minute does the automated loom insert during weaving?

• 100

• 200

• 300

• 400

What is the purpose of burning off vegetal matter after weaving?

• To soften the fabric

• To remove straw fragments

• To add color

• To clean the wool

What type of finish can wool fabrics have after the finishing process?

• Plush, sheared, or flat

• Glossy, matte, or textured

• Smooth, rough, or patterned

• Soft, hard, or flexible