Te mara hoia:whakamahia i roto i te hanga o nga toka, missiles, radar, anga mokowhiti, kaipuke motopaika, robots ahumahi, puna rau automotive me te taraiwa taraiwa, etc.
mara hanga: muka waro whakapakari sima, peita conductive, papa anti-pateko, etc;
Papa whakamahana hiko:pepa conductive, pereti whakawera hiko, rongo mata conductive, whariki ngira, whariki conductive, etc;
Rauemi whakamarumaru:te hanga i te auahi whakamarumaru, te taiepa arai whakamarumaru, aha atu;
Ko nga taonga whakamaarama waiariki me nga taonga tiaki wera kua whakarerekehia e te kirihou: nga pire me nga pereki whakakaha i te muka waro, nga karaima whakakaha i te muka waro, aha atu;
Āpure pūngao hōu:whakangao hiko hau, rauemi waku, hiko mo nga pūtau wahie, aha atu.
Nga taonga hakinakina me nga waatea:karapu korowha, taputapu hii ika, racket tennis, racket badminton, rakau pere, paihikara, poti hoe, aha atu.
He kirihou kua whakakahangia:nylon (PA), polypropylene (PP), polycarbonate (PC), phenolic (PF), polytetrafluoroethylene (PTFE), polyimide (PI) me etahi atu;
