When I was younger I worked with a lot of prototype devices. The lab always had the smell of rosin core and ozone and, from time to time, something worse that r

When I was younger I worked with a lot of prototype devices. The lab always had the smell of rosin core and ozone and, from time to time, something worse that resulted in the requirement for a new board. And once, a new desk. So I guess the answer is "it depends".