Land development and management

The minor lay lords of the middle ages were all too often uninterested in the manage­ment of the land, or sometimes were simply incapable of applying techniques that went beyond their competence. So it was the monks, and in particular the Benedictines and Cistercians, who became the custodians of land development during the demographic expansion […]

Resistance to Fuel on Airfields

This requirement regarding resistance to fuel exclusively applies to SMA mixes for airfields. The method of testing this property of SMA is elaborated in the standard EN 12697-43. The categories of the requirements are good, moderate, poor, or NR (no requirement). 14.5.11 Resistance to Deicing Fluids for Application on Airfields This requirement concerning resistance to […]

Multiple-Framer Tasks

Some tasks require more than one framer, for example, lifting large walls. Any time framers have to be called from other tasks to perform a common task, care must be taken not to waste time. The cost per minute of a 5-framer task is 5 times that of a single framer task. The person organizing […]

Radio Frequency Radiation

The higher the frequency of the electromagnetic radiation, the more the electric and magneticfield components meld. The energy level of radio fre­quency (RF) radiation is billions of times stronger than the natural high-frequency energies from the cosmos that existed during our biological de­velopment. Research shows that cataracts, blood composition changes, hormone alterations, and chromosomal abnormalities […]