1. Nruam ntug pom hniav: Nruam serrated pob zeb diamond pom hniav, feem ntau ua los ntawm kev ua tsis haum. Bronze daim ntawv cog lus yog nquag siv raws li cov khoom siv theem pib. Cov dej yuav tsum tau ntxiv thaum txiav kom paub tseeb tias qhov txiav txiav, thiab lub taub hau txiav tuaj yeem siv los txiav cov hom sib txawv nrog laser.
2. Riam-hau taub hau hniav: cov saw hniav tawg, qhov txiav txiav nrawm yog ceev, thiab nws tsim nyog rau kev txiav qhuav thiab ntub dej.
3. Turbine pom hniav: Ua ke qhov zoo ntawm cov khoom siv thawj thiab thib ob, pom cov hniav txuas ntxiv nthuav tawm ib qho turbine-zoo li tus qauv convexity, uas txhim kho qhov txiav ceev thiab nce kev pab lub neej.