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Questions and Answers
Which simple test can be used to determine if pile fiber is polypropylene?
Which simple test can be used to determine if pile fiber is polypropylene?
Which substance can citrus gel effectively remove?
Which substance can citrus gel effectively remove?
Fibers are classified into two main categories. What are these categories?
Fibers are classified into two main categories. What are these categories?
What should be done to vacuum cleaner bags when they are 2/3 full?
What should be done to vacuum cleaner bags when they are 2/3 full?
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What type of pH solution registers as 2 on the scale?
What type of pH solution registers as 2 on the scale?
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