Gemini ni ibyumba bibiri-byose-muri-imwe y'urumogi HTE ikoreshwa ishobora kuryoha uburyohe bubiri icyarimwe. Gemini ifite igishushanyo mbonera-kitagira post-post, yemeza ko idafite ibyuma 100%, ibyuma bibiri byo gushyushya ceramic bitanga ingufu zikubye kabiri. Buri cyuma gishyushya gishobora gukora wenyine cyangwa hamwe, gitanga imikorere ikomeye kandi yihuta yo kohereza amavuta.
Gushyushya amasegonda 5 buri gihe bizana impumuro idasanzwe nuburyohe bukungahaye kuri terpene, guhita urekura impumuro nziza yibimera yamavuta yurumogi, resin nzima, cyangwa rosine nzima, igishushanyo mbonera gishya cyerekana ko buri puff yoroshye kandi yera, bikagabanya ibyago byo gufunga, kumeneka, no gutangira. Irahita ifunga nyuma yiminota 15 yo gukora kugirango umutekano urusheho kuba mwiza.