▁Taiwan , ▁Sh iba ura ▁Institute ▁of ▁Technology ▁in ▁Tokyo , ▁University ▁of ▁Florence , ▁University ▁of ▁P ret oria , ▁among ▁others ) ▁are ▁experiment ing ▁with ▁it . ▁Because ▁open ▁building ▁reject s ▁functional ism , ▁educ ators ▁who ▁teach ▁open ▁building ▁help ▁students ▁develop ▁skills ▁in ▁making ▁built ▁form , ▁at ▁various ▁levels ▁of ▁inter vention ▁that ▁can ▁accommod ate ▁changing ▁function . ▁ ▁Open ▁building ▁implementation ▁also ▁implies ▁new ▁business ▁models ▁for ▁the ▁delivery ▁of ▁fit - out ▁as ▁integrated ▁design - build ▁packages , ▁serving ▁the ▁consumer ▁market . ▁These ▁companies , ▁now ▁operating ▁in ▁Finland , ▁the ▁Netherlands ▁and ▁Japan , ▁operate ▁with ▁advanced ▁IT ▁support , ▁advanced ▁log istics , ▁and ▁show rooms ▁with ▁electronic ▁and ▁physical ▁samples ▁of ▁products , ▁and ▁with ▁trained ▁install ers . ▁ ▁Open ▁building ▁termin ology ▁Level s : ▁specific ▁spher es ▁of ▁control ▁in ▁the ▁built ▁environment . ▁The ▁built ▁environment ▁can ▁be ▁seen ▁as ▁having ▁an ▁hier arch ical ▁structure ▁in ▁which ▁higher ▁levels ▁serve ▁as ▁the ▁setting ▁and ▁context ▁in ▁which ▁lower ▁levels ▁operate . ▁As ▁such , ▁higher ▁levels ▁exercise ▁domin ance ▁over ▁lower ▁levels , ▁while ▁lower ▁levels ▁are ▁dep endant ▁on ▁higher - level ▁structures . ▁Ex amples ▁of ▁levels ▁include ▁urban ▁design ▁and ▁architecture , ▁or ▁base ▁building ▁and ▁fit - out . ▁ ▁Base ▁building : ▁the ▁part ▁of ▁a ▁multi - ten ant ▁building ▁that ▁directly ▁serves ▁and ▁affect s ▁all ▁occup ants . ▁In ▁conventional ▁North ▁American ▁practice , ▁base