▁will ▁operate . ▁Set ▁to ▁the ▁highest ▁setting , ▁this ▁may ▁also ▁enable ▁the ▁bro iler ▁element . ▁A ▁timer ▁may ▁allow ▁the ▁o ven ▁to ▁be ▁turned ▁on ▁and ▁off ▁automatically ▁at ▁pre - set ▁times . ▁More ▁s oph istic ated ▁o vens ▁may ▁have ▁complex , ▁computer - based ▁controls ▁allowing ▁a ▁wide ▁variety ▁of ▁operating ▁modes ▁and ▁special ▁features ▁including ▁the ▁use ▁of ▁a ▁temperature ▁pro be ▁to ▁automatically ▁shut ▁the ▁o ven ▁off ▁when ▁the ▁food ▁is ▁completely ▁cook ed ▁to ▁the ▁desired ▁degree . ▁ ▁C lean ing ▁ ▁Some ▁o vens ▁provide ▁various ▁a ids ▁to ▁clean ing . ▁Cont inu ous ▁clean ing ▁o vens ▁have ▁the ▁o ven ▁chamber ▁co ated ▁with ▁a ▁catal yt ic ▁surface ▁that ▁helps ▁break ▁down ▁( ox id ize ) ▁food ▁spl at ters ▁and ▁sp ills ▁over ▁time . ▁Self - clean ing ▁o vens ▁use ▁py ro ly t ic ▁decomposition ▁( ext reme ▁heat ) ▁to ▁ox id ize ▁d irt . ▁Ste am ▁o vens ▁may ▁provide ▁a ▁wet - so ak ▁cycle ▁to ▁lo osen ▁d irt , ▁allowing ▁easier ▁manual ▁removal . ▁In ▁the ▁absence ▁of ▁any ▁special ▁methods , ▁chemical ▁o ven ▁clean ers ▁are ▁sometimes ▁used ▁or ▁just ▁scr ub bing . ▁ ▁Indust rial , ▁scientific , ▁and ▁art is anal ▁use ▁ ▁Out side ▁the ▁cul inary ▁world , ▁o vens ▁are ▁used ▁for ▁a ▁number ▁of ▁purposes . ▁▁ ▁A ▁furn ace ▁can ▁be ▁used ▁either ▁to