Reick, a regional fire chief in Germany, looks the differences in how Europe studies flow paths and ventilation as well as LODDs compared to their US counterparts.

Flow path In recent years, the firefighting community learned a great deal about the various types and behaviors of flow path at structural fires.

Two excellent online videos that were produced by Waterous show water flow paths through a single-stage full-bodied pump and a two-stage full-bodied pump (watch them below).