Fill in the blanks with appropriate words :
Polyster is made up of the repeating units of a chemical called ______ .

Explanation

To fill in the blank in the statement "Polyester is made up of the repeating units of a chemical called ______," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Term "Polyester":**
- Polyester is a type of synthetic fiber that is commonly used in textiles and plastics.

2. **Break Down the Word "Polyester":**
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