Fake news is frequently used to describe a political story which is seen as damaging to an agency, entity, or person. However, as seen in the last of the three citations given above, it is by no means restricted to politics, and seems to have currency in terms of general news. 'Fake news' is a new term.
It would have been dozens of bags of Quickcrete. We rode by the pile and got a hundred meters up the hill by the time the first car drove by. Looking over my shoulder, there was a huge plume of airborne toxic dust. Dry, unused cement/concrete is really not something good to breathe. The way cement works is when you add water, a chemical reaction occurs, by hydration, and a lot of different things occur. Lots of different chemical reactions occur and heat is produced as a by-product. When you breathe dry dust into your lungs, this hydration process starts because youâve added the water.
The main ingredients of chalk dust are considered to be non-toxic, which means they do not pose a threat when ingested nor would it provide a high. However there is a much bigger issue here. Chalk dust can and does accumulate in the lungs and cause respiratory problems if there is prolonged exposure.