Many people who tried to test the first parachutes died by jumping from high places. One attempt was a parachute hat, but the inventor broke his neck while testing it. The first successful parachute was tested from a hot air balloon in 1797, in France, by Jacques Garnerin.
What is the name for a person who works in a science laboratory testing in pre- and post-analytic phases and preparing samples or specimens?
Where was the industrial accident on 2-3 December 1984 that caused the deaths of 3,000 to 16,000 people, for which 7 ex-employees were convicted in June 2010 and sentenced to 2 years imprisonment & a fine of about US$2,000 each?