Fill in the blanks with appropriate words.
Synthetic fibres are also called ____________or _____________fibres.

Explanation

**Step-by-Step Solution:**

1. **Understanding Synthetic Fibres**: Synthetic fibres are materials that are not naturally occurring but are created through chemical processes. They are made from raw materials, primarily derived from petroleum.

2. **Identifying Other Names**: In the context of synthetic fibres, they are often referred to by other names that reflect their artificial nature.

3. **Filling in the Blanks**: The two common terms used to describe synthetic fibres are "artificial" and "man-made".

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