The basic insight that separates resilient systems from fragile ones is not about preventing failures—it's about containing their blast radius by way of deliberate isolation boundaries. (See Figure 28, sort F.) This variation of the soldier pile wall can develop nice energy. Figures 22 and 23 illustrate some metal sections which can be found from non-domestic sources and some devices ... https://www.silverandblackpride.com/users/saasey_tgxj52