Umsebenzi we-oil seal ngokuqhelekileyo ukwahlula iindawo ezifuna ukuthanjiswa kwiindawo zokuhambisa ukusuka kwindawo yangaphandle, ukuze ungavumeli ukuvuza kweoli yokuthambisa.I-skeleton ifana nemivalo yentsimbi kwilungu lekhonkrithi, elisebenza njengento yokuqinisa kwaye yenza ukuba i-oyile itywinwe igcine imilo kunye noxinzelelo.Ngokwesakhiwo, inokwahlulwa ibe yi-oyile yomlomo omnye wamathambo kunye ne-oyile yomlomo ophindwe kabini.Umlebe oncedisayo we-double-lip skeleton oil seal udlala indima yobungqina bothuli ukukhusela uthuli lwangaphandle kunye nokungcola ukungena kumatshini.Ngokohlobo lwamathambo, lunokwahlulwa lube ngamathambo e-oyile yangaphakathi, itywina leoyile etyhidiweyo kunye nesitywina seoyile esidityanisiweyo.Ngokweemeko zokusebenza, inokwahlulwa ibe yi-rotary skeleton oil seal kunye ne-reciprocating skeleton oil seal.Kwiicrankshafts ze-injini yepetroli, ii-crankshafts ze-injini ye-diesel, ii-gearboxes, ii-differentals, i-absorbers, ii-injini, ii-asi kunye nezinye iindawo.