他们用喷灯蒸发水银，留下金子。

They vaporise the mercury using a blowtorch, leaving gold behind.

测试B：煤气喷灯。将一个3/8〞 的煤气喷灯调到稳定的火焰使其蓝色锥形内焰为1-1/2〞，然后，将煤气喷灯翻转，是火焰接触所测试的材料5分钟。

Test B: Bunsen Burner A 3/8〞Bunsen burner was adjusted to a quiet flame with a 1-1/2〞inner blue cone and then overturned on the test material, exposing material to the flame for 5 minutes.

如果可以，用厨房用喷灯将萨巴雍烧成浅棕色上桌。

If desired, use kitchen blowtorch to lightly brown sabayon and serve immediately.