Nitrogen Asphyxiation Hazards
We all know that air is mostly nitrogen…79% to be precise. What may not be a common knoweldge is that colorless odorless Nitrogen has led to asphyxiation
We all know that air is mostly nitrogen…79% to be precise. What may not be a common knoweldge is that colorless odorless Nitrogen has led to asphyxiation
Nihon Sandai Jitsuroku – is an ancient Japanese text compiled in 901. It talks about an earthquake and Tsunami that occurred in 869: “Then