Week of Folly: Experience gained from attle halved.
愚蠢周：战斗经验减半。
2
Week of Honor: Experience gained from attle doubled.
荣誉周：战斗经验加倍。
3
The feasibility of using attle in ordinary concrete is studied. 50% sand replaced with attle, a dense-grading system is obtained with fly ash, sand, attle and stone.