Fngā āhuatanga:
1: Ki te pēhi tonu te pēhi, kātahi kaHongere U maitai i hangaiaka taea te penapena i te 10%-15% o ngā rauemi.
2: Ka taea e koe te whai hoahoa rūma maha atu mēnā ka whakamahia e koe he kurupae U i te raima.
3: He māmā ake te kurupae U i te raima, nō reira he māmā ki te kawe me te whakaiti i te utu.
4: He pai te U Beam ki te taiao, ā, ka whakaiti i te puehu nui
5: TeU Channel Steelka taea te penapena i te wā mahi tūturu, nā te mea he ngāwari ki te kawe, ā, ka taea te whakamahi i ngā āhuarangi katoa.