The process of maintaining or preserving something in good condition

रखरखाव

English Usage: Regular maintenance of the car is essential for its longevity.

Hindi Usage: कार का नियमित रखरखाव उसकी आयु के लिए महत्वपूर्ण है।

The quality of being hot, measured on a scale

Energy or warmth produced by a system or body

उष्मा

English Usage: The heat from the furnace was felt throughout the house.

Hindi Usage: भट्टी से निकलने वाली उष्मा पूरे घर में महसूस की गई।