4 Words to use with cyanide

"I built that big pipe line in Portland; I sold those smelters in Anaconda, and the cyanide tanks for the Highland Girl.

When he had finished they voted him the best host and the best little cyanide tank-builder known to themand then everybody tried to tell him something at once.

But intricate machinery was taking the place of crude tools, chemical processes had been introduced (notably, the cyanide process), and the principal product began to come from the regular and certain working of deep mines rather than from chance surface discoveries.

" Before the prosecutor could interfere, Kennedy had picked up the note found in the ammonia-jar beside the dying girl and had jammed the state's evidence into the long-necked flask of sulpho-cyanide vapor.

4 Words to use with  cyanide