Changes
/* Defining the Physical Structure in EM.Ferma */
=== Variety of Material Objects ===
[[Image:Static1.png|thumb|330px| EM.Ferma's PEC dialog.]]
EM.Ferma offers the following types of material objects for construction of your physical structure:
* '''Permanent Magnets'''
=== Using Fixed-Potential PEC Objects as Voltage Sources ===
