Opposition to the goverment has 'hardened' as news of further scandals has leaked out.
The presence of certain substances in the blood can cause the arteries to 'harden'.
It will take several hours for the concrete to 'harden' (into a solid block).
(..) As the fat renders, the tallows float to the surface. Like in Boy Scouts. - It's hard to imagine you as a Boy Scout. - Keep stirring. Once the tallow hardens, you skim off a layer of glycerin. Add nitric acid, you've got nitroglycerin. Then add sodium nitrate and sawdust, you've got dynamite. (..)1999 Fight Club