Which of the following statements is/are correct?
1. The physical structure of asbestos makes it very difficult to open into yarns because it lacks in length and cohesiveness.
2. Asbestos is used for padding for laundry presses, belting for conveying hot materials, brake-lining and in clothes such as gloves and aprons.
3. Asbestos fibres are 3/811 to 3/411 in length.
4. Asbestos occurs as veins or strips in rocks.
Select the correct answer
A. 1 and 2
B. 3 and 4
C. 1, 2 and 3
D. All of these
Answer: Option D
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