LT – JC21 Tuwhera o roto te kaiwhakamatau whakatārewatanga o raro
| Tawhā Hangarau |
| 1. Hanganga: kōtaha konumohe. |
| 2. Aratau mana: PLC + mata pa. |
| Kia rite ki te paerewa |
| 1. Paerewa: GB / T 24601-2009 |
| 2. Te whakatutuki i nga whakaritenga whakamatautau 5.3.4, 5.3.5, 5.3.7, 5.3.9 me 5.3.10 o GB / T 24601-2009. |
