text: main soch rahi thi,kya hum paani ka istemal kam karne ke liye rainwater harvesting system install kar sakte hain? yeh ek accha investment hoga aur humein paani ki bachat bhi hogi.wow, yeh toh brilliant idea hai! humare ghar mein paani ka koi shortage nahi hoga aur saath hi saath hum environment ke liye bhi kuch achha karenge, kya tumne iske liye research ki hai?