Shahaadada GS
Macnaha GS waa in badbaadada la xaqiijiyay, sidoo kale waxay ka dhigan tahay badbaadada Jarmalka. Shahaadada GS waa shahaado ikhtiyaari ah oo ku saleysan Sharciga Badbaadada Alaabada Jarmalka (GPGS) waxaana lagu tijaabiyay si waafaqsan heerka Midowga Yurub EN ama heerka warshadaha Jarmalka DIN. Waa calaamadda shahaadada badbaadada Jarmalka ee la aqoonsan yahay ee suuqa Yurub.
Shahaadada VDE
VDE Testing and Certification Institute in Offenbach, Germany waa machad cilmi-baaris oo xiriir la leh Machadka Jarmalka ee Injineerada Korontada waxaana la aasaasay 1920. Sida hay'ad dhexdhexaad ah oo madax-bannaan, shaybaarada VDE waxay kormeeraan oo ay caddeeyaan alaabta korontada si waafaqsan heerarka qaranka ee Jarmalka VDE. Heerarka Yurub EN, ama IEC Heerarka Komishanka Electrotechnical International ee ku saleysan codsiyada. Wadamo badan, calaamadda caddaynta VDE ayaa aad uga caansan calaamadda gudaha, gaar ahaan la aqoonsan yahay oo ay qiimeeyaan soo dejinta iyo dhoofiyeyaasha.
