Please talk about Weapons from non lethal to mass destruction

Please talk about Weapons from non lethal to mass destruction

Please talk about Weapons from non lethal to mass destruction.
eg: pepper spray, tear gas, water gun, electric shock gun...  Riot control weapons used by police...
eg: ICBM

I sicerely hope that Doctor Li will talk about it in the New MINI podcast. Thank you!

PS. Can somebody give me a list of weapons used by hkpolice???(from most weak to most powerful)
Genius CKCM