<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div><font face="Times New Roman">
</div><div style="margin: 0in 0in 0pt; line-height: normal;" class="MsoNormal"><span style='color: black; font-family: "Times New Roman","serif"; font-size: 12pt; mso-fareast-font-family: "Times New Roman"; mso-themecolor: text1;'>Dear
All</span><span style='color: black; font-family: "Arial","sans-serif"; font-size: 12pt; mso-fareast-font-family: "Times New Roman"; mso-themecolor: text1;'><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></span></div><div>
</div><div style="margin: 0in 0in 0pt; line-height: normal;" class="MsoNormal"><span style='color: black; font-size: 12pt; mso-ascii-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; mso-hansi-font-family: Calibri; mso-bidi-font-family: Calibri; mso-themecolor: text1;'><font face="Calibri">I am working with multi-zone building using
TRNbuild, and I wonder if you can help me how I can add or identify a DOOR to
the one zone building.</font></span></div><div style="margin: 0in 0in 0pt; line-height: normal;" class="MsoNormal"><span style='color: black; font-size: 12pt; mso-ascii-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; mso-hansi-font-family: Calibri; mso-bidi-font-family: Calibri; mso-themecolor: text1;'><font face="Calibri">Also I could'nt add or identify a door by using Trnsys3D. </font></span></div><div style="margin: 0in 0in 0pt; line-height: normal;" class="MsoNormal"><span style='color: black; font-family: "Times New Roman","serif"; font-size: 12pt; mso-fareast-font-family: "Times New Roman"; mso-themecolor: text1;'><o:p> </o:p></span></div><div>
</div><div style="margin: 0in 0in 0pt; line-height: normal;" class="MsoNormal"><span style='color: black; font-size: 12pt; mso-ascii-font-family: Calibri; mso-fareast-font-family: "Times New Roman"; mso-hansi-font-family: Calibri; mso-bidi-font-family: Calibri; mso-themecolor: text1;'><font face="Calibri">Best Regards<o:p></o:p></font></span></div><div>
</div><div>Nidal Abdalla</font></div></div></body></html>