ʻO kaYT28 wili pōhaku pneumatiche mea punahele ia i waena o nā poʻe loea tunneling no kāna hana maʻalahi a me ke kūkulu haʻalulu haʻahaʻa. ʻO kona ikehu hopena e ʻae i ka wili ʻana ma o ka pōhaku paʻakikī waena me ka pale ʻana i nā mea hoʻohana mai ka recoil nui.

Kākoʻo pū ka YT28 i ka wetʻeli ʻana, e hōʻemi ana i ka lepo i loko o nā tunnels i hoʻopaʻa ʻia. He maʻalahi ka mālama ʻana mahalo i nā ʻāpana modular hiki ke hoʻololi koke ʻia, e mālama ana i ka downtime liʻiliʻi. No nā hui e hoʻokau mua anaka palekana o ka mea hoʻohana a me ka ʻeli mau ʻana, he ʻōlelo aʻoaʻo maʻalahi ka YT28.