The correct answer is [B] Hydrochloric acid, Pepsin, Mucus. In the human alimentary canal, gastric glands of the stomach secrete hydrochloric acid to kill germs, pepsin to digest proteins, and mucus to protect stomach lining.
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Varnish forms a protective layer on wood. It makes the surface scratch-resistant, shiny and more durable. It also enhances the natural beauty and appearance of wooden products. Class 8 Latest Vocational Education Chapter 3 Working with Wood and Bamboo Question Answer Class ...
Sanding is important because it smoothens wooden surfaces and edges. It removes rough spots, splinters and unevenness, giving the object a polished, neat and attractive finish. Class 8 Latest Vocational Education Chapter 3 Working with Wood and Bamboo Question Answer Class 8 ...
Basic skills include sketching designs, measuring, cutting, drilling, sanding, planing, joining and varnishing. These steps make wooden products neat, strong and attractive while improving carpentry knowledge and creativity. Class 8 Latest Vocational Education Chapter 3 Working with Wood and Bamboo Question ...
Two other objects made from wood are a key holder and a chalk duster. Students can also create toys, wall hangings, phone stands or nameplates using simple carpentry techniques. Class 8 Vocational Education Kaushal Bodh Project 3 Working with Wood and ...