article_snippet: Screaming in fear as fear are violently shackled, fear are traumatised as fear suffer chemical testing after being transported by Air France.
article_snippet: Chemicals are then pumped into Chemicals bodies and The shocking footage shows the panicked animals writhing in agony after being injected.
article_snippet: Scroll down for video .
article_snippet: In The shocking footage, one lab technician even warns one lab technician colleague about one lab technician brutal treatment as one lab technician tries to insert the tube, and says: 'You're going to kill one lab technician.'
article_snippet: But one lab technician angrily fires back: 'I'll ram it down one lab technician f***ing throat.'
article_snippet: The footage in the video was taken inside a for-hire laboratory, that conducts toxicity tests on monkeys in which they are force-fed chemicals pesticides and drugs.
article_snippet: Previous footage  taken inside a laboratory that conducts toxicity tests
article_snippet: showed monkeys being force-fed chemicals, pesticides and drugs.