Yichen Rock Saw ndi cholumikizira cha hydraulic chogwiritsidwa ntchito pofukula zambiri komanso mwatsatanetsatane. Oyenera kudula mtundu uliwonse wa thanthwe pa liwiro lalikulu. Ngati ali ndi masamba apadera akhoza kudula konkire ndi matabwa. Mitundu ya rock blade saw ndi mawonedwe amtundu wa Double blade rock amaphimba zofukula zonse kuyambira matani 8 mpaka 45. Tunnel Rock Cutting ndi Rock Saw, njira yomangayi imatsimikiziridwa ndi makampani. Chiyambireni kukhazikitsidwa mu 2002, Yichen yakhala ikufuna kukhala wotsogola pamakampani ogulitsa macheka amiyala.
Werengani zambiriTumizani kufufuzaYichen amagwira ntchito kwambiri pakupanga odula ng'oma. Odula ng'oma ya Yichen amagwiritsidwa ntchito ngati kukumba ngalande zoyika mapaipi, zingwe kapena ngalande, kumanga ngalande ndi kukumba mitsinje yamigodi. Chodulira ng'oma champhamvu chimaperekanso mwayi wogwiritsa ntchito kwambiri pakugwetsa ndi kukonzanso nyumba. Chodulira ng'oma chomwe chimagwiritsidwa ntchito kukumba ngalande ndi imodzi mwazinthu zomwe zimagwiritsidwa ntchito kwambiri.
Werengani zambiriTumizani kufufuzaKumanga ngalande nthawi zonse kwakhala pachimake pa ntchito yomanga, ndipo n'kovuta kumanga. Zaka za m'ma 1960 zisanafike, kuphatikiza kuboola ndi kuphulitsa kunagwiritsidwa ntchito pomanga ngalande. Zoyipa za njirayi ndizodziwikiratu, chitetezo chakuphulika sichidziwika, kuchuluka kwakukulu o...... ——Kupanga Tunnel Kuli ndi Artifact, Yotetezeka, Yodalirika komanso Yogwira Ntchito
Werengani zambiriTumizani kufufuza