He mea whakapaipai iti ngā pine tohu, ka taea te tāpiri ki ngā kākahu, ki ngā putea, ki ētahi atu mata papanga rānei mā te whakamahi i tētahi tikanga pine. He maha ngā āhua, ngā rahi, me ngā hoahoa e wātea ana, ā, he pai mō ngā kaupapa rerekē. Ka kiia hoki ēnei pine he tohu pine, he pine rīpene, he pine enamel rānei, i runga i tō rātou momo me te hanganga. He maha te whakamahinga o te kupu "pine rīpene" ina mau te pine ki te rīpene o te koti, o te koti rānei, ko ngā "pine enamel" ia e tohu ana i ngā pine he paninga enamel tae e hoatu ana ki a rātou he āhua kanapa, he pakari hoki.