In laboratory settings, hot plates are generally used to heat glassware or its contents. These convenient hotplate are water resistant. Their square shape gives them definition. They are used for warming food. The warmer in them warms up the air in order to do that. We have dryer too. Also, we deal in fryer. Light in weight they are very durable. The circular surface provides passage to hot air. Some hot plates also contain a magnetic stirrer, allowing the heated liquid to be stirred automatically.