GDJW-40B e ka sebelisoa ho lekola likhakanyo tsa kabo ea insulator e emisitsoeng e qosoang kapa tlhahlobo ea laboratori ea insulator e emisitsoeng, le ho thusa ho bona ka nepo bothata ba kahare bo patiloeng ba insulator, ho ntlafatsa ts'epahalo ea ts'ebetso ea sistimi ea grid ea matla, le ho ntlafatsa. bokhabane ba ho sebetsa ba basebetsi ba etsang tlhahlobo e phelang.