Jet
Spray, Injection, Jet Propulsion
noun, する verb
When something erupts and shoots a bunch of water or lava out it comes out in a huge jet and sprays everything.
ふんしゃ
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
催涙スプレーの噴射方法を教えてください。
Please show me how to spray tear gas.