Figure 6.
Illustration of the production of Bio-flexi in the mass-production scale indicating the control and feeding units in Naftex GmbH company, Wiesmoor, Germany (Photo: Dahy, H. republished [7]).
Illustration of the production of Bio-flexi in the mass-production scale indicating the control and feeding units in Naftex GmbH company, Wiesmoor, Germany (Photo: Dahy, H. republished [7]).