इस दौरान कपड़े भी सफ़ेद कलर के होने चाहिए. To be familiar with this example, you may have to grasp the experiment of burning fire by concentrating the rays from the lens at one particular spot. The specific situation is exact same in both. सम्भोग वशीकरण के प्रयोग में भी https://www.youtube.com/watch?v=WG3Cevb_VHM