Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, ...
Pandemic 2: Disease Mutation. Pandemic 2 is a disease game that allows more flexibility in creating a plague, including whether you want to be a bacteria, parasite or virus. Each disease has its own strengths and weaknesses. Note: See below game for instructions and tips. (And be sure to use hand sanitizer when youâre done playing.)
1 Leptospirosis, a disease. 2  Malaria, a disease. 3  Equine infectious anemia, a disease. 4  The mumps, a disease. 5  Swamp fever, a disease in the Elder Scrolls series of role-playing games. 6  Swamp Fever, a campaign in the 2009 video game Left 4 Dead 2.  Swamp Fever, a disease in the 2015 video game Ark Survival- Evolved..