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What is the correct sequence of the following events in rock tunnelling :1. Marking tunnel profile 2. Loading explosive and blasting3. Checking misfire 4. Muking5. Removing foul gas 6. Setting up and drilling7. GunnistingSelect the correct answer using the codes given below
🗓 Jul 10, 2021
votes
Sierra
🌐 India
hmm, where is the explanation
votes
Abigail
🌐 India
Please please explain this answer to me
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