Umenzi weTube yesihluzi esiGqiweyo,
Hluza iiparamitha ezilungiselelweyo ngolu hlobo lulandelayo,
Izinto eziphathekayo, ukutyeba kweendonga, i-Aperture / Holes Diameter, i-Pitch / iNyathelo, indawo engabonakaliyo / i-Nominal, i-Tube Diameter, Ubude betyhubhu.