Correct

熔合

/ róng hé / 
Strokes

Example

As a Verb

fuse; weld; merge; alloy

1
Jiāng
将
xīn
锌
yú
与
tóng
铜
róng
熔
héchéng
合成
huángtóng
黄铜

fuse zinc and copper to make brass

2
Rónghé
熔合
liǎng
两
gēn
根
jīnshǔ
金属
sī
丝

fuse two pieces of wire together