If the water is heated to boiling point, this vapor is then boiled and then boiled, whereby steam is formed.
यदि तपाईँ पानी प्रशस्त मात्रामा पिउनु हुन् भने पनि मुख गनाउने जस्ता समस्या उत्पन्न हुने गर्छ ।