I-ErFra VoorKiemSystem (VKS) ka-Erik Juurlink kanye no-Frank Houtink yethulwa emakethe njengento eqanjiwe ngonyaka odlule. Lena irack yokhuni egoqekayo enebhande elingena ebhokisini lokugcina amazambane. Ngohlelo lwangaphambi kokuhluma, cishe i-1000 kg yembewu yamazambane ingafakwa ebhokisini.
Lesi simiso siqinisekisa ukuthi amazambane ahluma ngokulinganayo futhi avimbele ukufingqa ekubumbeni ngaphakathi kwebhokisi. I-ErFra VKS inohlobo "lwe-chimney effect", oluqinisekisa ukuthi imbewu yamazambane emabhokisini ishisa ngokulinganayo.
I-ErFra VKS pre-germination system ilungele amakhreyithi akho enziwe ngokhuni (160 x 120 x 109 cm) Angapakishwa. Lapho ugcwalisa ibhokisi, uhlelo lokuhluma lungambozwa ngesivalo. I-ErFra VKS pre-germination system iyagoqeka ukuze igcinwe kalula.