PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. Machines are just equipment made by human beings to make their jobs __________.
2. It was especially during the __________ century, after the World wars, that most countries started using machines profusely.
3. Raw materials for the machines can be extracted from __________ which are deep underground passages.
4. The machines are cut and ___________ to fit.
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