Ko Ruijie he kaihanga taputapu whakahiato rauemi pono, he maha nga otinga—te wehenga aukume, te tirotiro, te kawe, te kuru, me nga taputapu toka—he mea whakarite mo te hangarua konganuku, te whakarewanga o te pungarehu (IBA) i raro i te ahi, te whakamahi ururua hanga, me te whai hua kohuke hei whakanui ake i to mahi hangarua.
Kei te whakamahia nuitia nga Taputapu Whakaraupapa Gravity i roto i nga mahi whakangao ki te wehewehe i te parahi, te hiriwa, te tine, te tungsten, te tantalum, te niobium, te titanium, te zirconium, te ore tuatahi me te chromium placers.
Ko te reo i whakamahia i roto i Ka taea e te Miihini Jig te wai, a, ka whakamahia te wai hei reo tohatoha, ka kiia ko te hydraulic jigging.Ko o matou Jig Concentrators kei te whakauru ki te rere o te wai pupuhi, e pai ake ai te tika o te wehenga i roto i nga momo tono.