১) ড্রিলিং-এর সময় নিরাপত্তার প্রতি বিশেষ গুরুত্ব দিতে হয়।
২) ড্রিল মেশিনটি কার্য উপযোগী কিনা পরীক্ষা করতে হবে ।
৩) মেশিন চালু করতে হবে ।
৪) হ্যান্ড হুইনের হাতল ঘুরিয়ে ফিড দিতে হবে।
৫) কুল্যান্ট পদ্ধতি চালু করতে হবে।
৬) মাঝে মাঝে ড্রিল বিট উঠিয়ে চিপ অপসারণ করতে হবে।
৭) পর্যায়ক্রমে ড্রিলিং সম্পন্ন করতে হবে ।
৮) ড্রিলিং পরীক্ষা করতে হবে ।
ড্রিলিং-এর সময় কুল্যান্ট ব্যবহার :
আরও দেখুন...
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