1. I am a shiny cloth used to make beautiful saree. Answer is Silk. 2.You should wear me when you are driving a bike. Answer is Helmet 3.I am the first step while washing clothes Answer is Soak 4.I am used to make rainy boots Answer is Rubber

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Across
  1. 4. Large marsupial
  2. 5. Likes to chase mice
Down
  1. 1. Has a trunk
  2. 2. Flying mammal
  3. 3. Man's best friend