By Vince Ingenito. Ninety hours. Thatâs how long it took me to roll the credits on Dragon Age: Inquisition. Though itâs true that quality canât be measured purely in terms of quantity, that number is still significant.
Concrete Burns. When working around fresh, wet concrete there is always the potential for concrete to. come into direct contact with your skin and eyes. Contact of the skin with fresh concrete, mortar, or grout can lead to severe burns and are a hidden danger to anyone who works. with, or around these materials. Causes.
DEF is believed to be a result of improper heat curing of the concrete where the normal ettringite formation is suppressed. The sulfate concentration in the pore liquid is high for an unusually long period of time in the hardened concrete.