Kei hea te hoko i ngā kōpae whakamātautau U-tube i te utu whakamātautau?
Ko ngā wāhanga whakamātautau U, ngā wāhanga whakamātautau tūtahi (tube viscometers) i waenganui i ngā taputapu matua e whakamahinga ana i ngā rōpū rerekē hei whakamātautau i te pākaha (ara, te whakamātautau i te pākaha o ngā wāhi) o ngā hau. Ko te pākaha he whakamātautau o te pākaha o tēnei wāhi. Hei tauira, he pākaha tonu te mānuka, ā, he māmā tonu te wai. I tēnei hoki, me mātautau ngā kamupani i te pākaha o tēnei wāhi kia whakamātau ai i te auaha o ō rātou hua. Mēnā ka pākaha ake, he iti ake rānei te pākaha, kāore pea te hua e mahi ana i tēnei wāhi. Ka whai hāngā pea ngā take pēnei i te whakamātautau kāore i tōna tāwhai, i te wāhi kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tōna tāwhai, i te whakamātautau kāore i tō...... taputapu whakamātau aunoa ki tāu pakihi.