Yenday ali ndi zinthu zingapo, kuphatikizapo zida ndi zolimbitsa thupi, zopangidwa zambiri zoyera, zolimbitsa thupi, zopanga zigawenga, zigawo zisanachitike.
Yesani ma valves othamanga kwambiri, zofunda ndi mabatani chivundikiro 30nv, 60nv, 60f, 60rv ndi 60 mndandanda wazaka 60. Kuchita masewera olimbitsa thupi kuli mpaka 60,000psig (4137 bar).
