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تازہ ہوا کیسے اُگائی جائے
4,016,969 views |
کمل متل |
TED2009
• February 2009
Read transcript
محقق کمل متل بتاتے ہیں کہ گھر یا دفتر کی عمارت میں مخصوص مقامات پر تین عام پودوں کے استعمال سے اندرونی ہوا صاف کی جا سکتی ہے۔
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cities
plants
gardening
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