Nke a PTFE eri akara teepu, featuring a na-egbuke egbuke odo teepu na transperent ikpe, na-agwakọta visibiliti na anwụ ngwa ngwa. Na a obosara nke 19mm na a ọkpụrụkpụ nke 0.1mm, ọ na-enye magburu onwe akara maka dị iche iche ọkpọkọ usoro. Agba odo na-acha odo odo na-eme ka ọ bụrụ ihe bara uru yana nkwalite, na-enye ụzọ dị mma isi gosipụta ika gị.