I. Kugawika kwa magiredi obwerera:
ZR: Zimawonetsa moto wobisalira. Nthawi zambiri, ngati palibe chizindikiro chapadera, ZR ndiye rameday rediant kalasi.
Zo, ZB, ZD: ZD: Z "Z" Z "Z" ZI "zilembo zotsatirazi zikuwonetsa kuti radaryard rediarday kalasi. Pakati pawo, ndiye gawo lalikulu kwambiri.
D ndi wotsika kwambiri.
Ii. Flame Retard Carties:
Za: Ili ndi rommaly kwambiri
ZB: Mphamvu yake ya Flameday imangokhala yachiwiri yokha ya kalasi ya Zadi, yotsika pang'ono.
ZC: Katundu wobwerezabwereza wa Flamentard ndi wachiwiri, ndipo ndi lala wamba wobwezera.
