text: kal maine apne dosto se kaha ki hum water conservation ke liye rainwater harvesting system install karein. sabne kaha yeh idea kitna practical hai,kya tumhe bhi acha laga?bilkul! aur hum ghar ke bathroom mein low-flow showerheads bhi laga sakte hain, isse paani ka bhi bachat hoga aur humare bills bhi kam aayenge, kya khayal hai?