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Four simple steps to teach you to select rubber joints: |
1. Look: whether there are depressions in the inner wall, no depressions can not achieve the expansion effect |
2. smell: excellent rubber joints do not have a pungent smell |
3. Weight: excellent joints are heavy, with sufficient materials |
4. Sturdiness: when stepping on it, a small rubber joint can support the weight of an adult and will not collapse |











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