[[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 (click on each type to learn more about it):
{| class="wikitable"
|-
! scope="col"| Material Type
! scope="col"| Applications
! scope="col"| Geometric Object Types Allowed
|-
| style="width:150px;" | '''[[Glossary of EM.Cube's Materials & Physical Object Types#Fixed-Potential PEC |Fixed-Potential Perfect Electric Conductor (PEC)]]'''
| style="width:300px;" | Modeling perfect metals with a fixed voltage
| style="width:250px;" | Solid, surface and curve objects
|-
| style="width:150px;" | '''[[Glossary of EM.Cube's Materials & Physical Object Types#Dielectric Material |Dielectric/Magnetic Material]]'''
| style="width:300px;" | Modeling any homogeneous material
| style="width:250px;" | Solid objects
|-
| style="width:150px;" | '''[[Glossary of EM.Cube's Materials & Physical Object Types#Volume Charge |Volume Charge]]'''
| style="width:300px;" | Modeling volume charge sources with a fixed charge density or an expression in the global coordinates (x,y,z)
| style="width:250px;" | Solid objects
|-
| style="width:150px;" | '''[[Glossary of EM.Cube's Materials & Physical Object Types#Volume Current |Volume Current]]'''
| style="width:300px;" | Modeling volume current sources with a fixed volume current density vector or expressions in the global coordinates (x,y,z)
| style="width:250px;" | Solid objects
|-
| style="width:150px;" | '''[[Glossary of EM.Cube's Materials & Physical Object Types#Permanent Magnet |Permanent Magnet]]'''
| style="width:300px;" | Modeling permanent magnet sources with a fixed magnetization vector or expressions in the global coordinates (x,y,z)
| style="width:250px;" | Solid objects
|-
| style="width:150px;" | '''[[Glossary of EM.Cube's Materials & Physical Object Types#Wire Current |Wire Current]]'''
| style="width:300px;" | Modeling wire current sources
| style="width:250px;" | line and polyline objects
|}
Click on each category to learn more details about it in the [[Glossary of EM.Cube's Materials & Physical Object Types]].
* '''[[Defining_Materials_in_EM.Cube#Perfect_Electric_Conductors_.26_Metal_Traces | Perfect Electric Conductors (PEC)]]''': A perfect electric conductor (PEC) is a material with ε<sub>r</sub> = 1 and σ = ∞.