Okwesithathu: Ukukhethwa kwe-glue port. Ngokuvamile, lo mkhiqizo uzosebenzisa isakhiwo se-multi-cavity design. Isikhunta sithatha umgijimi oshisayo ongenisiwe ukuze siguqule ingcina ecashile. Ngenxa yokuthi umlomo weglue usendaweni ethambekele, kulula ukudonsa umlomo weglue. Ngalesi sikhathi, i-glue efihliwe i-EDM ibaluleke kakhulu, futhi igebe le-spark kufanele libe ngaphakathi kwe-0.01 ngangokunokwenzeka.