| Online Skill Training > Online Modules > Rapid Chloride Test (RCT) | |
| | Introduction | Step 1 | Step 2 | Step 3 | Step 4 | Step 5 | Step 6 | Step 7 | Step 8 | |
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Firmly compressed the collected dust with the dust compression pin. |
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The drill dust mass 1.5g when it reach exactly the red indication line. |