41.   We use heat in factories, and manufacture fertilizers that way.

42.   When you sear the fish, use high heat to get a crispy, golden crust, which will contrast well with the piquant sauce.

43.   You can also use the grill as an oven by using indirect heat.

44.   You can take off the laminate by using heat.

45.   The team has also carried out other experiments, such as stimulating the cockroach by an optical sensor and another system using heat.