, ▁documentation , ▁research , ▁treatment , ▁and ▁education . ▁This ▁field ▁is ▁closely ▁al lied ▁with ▁conservation ▁science , ▁cur ators ▁and ▁registr ars . ▁ ▁Definition ▁ ▁Conserv ation ▁of ▁cultural ▁her itage ▁involves ▁protection ▁and ▁rest oration ▁using ▁" any ▁methods ▁that ▁prove ▁effective ▁in ▁keeping ▁that ▁property ▁in ▁as ▁close ▁to ▁its ▁original ▁condition ▁as ▁possible ▁for ▁as ▁long ▁as ▁possible ." ▁Conserv ation ▁of ▁cultural ▁her itage ▁is ▁often ▁associated ▁with ▁art ▁collections ▁and ▁museum s ▁and ▁involves ▁collection ▁care ▁and ▁management ▁through ▁tracking , ▁exam ination , ▁documentation , ▁exhibition , ▁storage , ▁prevent ive ▁conservation , ▁and ▁rest oration . ▁ ▁The ▁scope ▁has ▁w iden ed ▁from ▁art ▁conservation , ▁involving ▁protection ▁and ▁care ▁of ▁art work ▁and ▁architecture , ▁to ▁conservation ▁of ▁cultural ▁her itage , ▁also ▁including ▁protection ▁and ▁care ▁of ▁a ▁broad ▁set ▁of ▁other ▁cultural ▁and ▁historical ▁works . ▁Conserv ation ▁of ▁cultural ▁her itage ▁can ▁be ▁described ▁as ▁a ▁type ▁of ▁eth ical ▁ste ward ship . ▁ ▁Conserv ation ▁of ▁cultural ▁her itage ▁applies ▁simple ▁eth ical ▁gu idel ines : ▁ ▁Min imal ▁inter vention ; ▁ ▁App ropri ate ▁materials ▁and ▁revers ible ▁methods ; ▁ ▁Full ▁documentation ▁of ▁all ▁work ▁undert aken . ▁ ▁O ften ▁there ▁are ▁comprom ises ▁between ▁pres erving ▁appearance , ▁maintain ing ▁original ▁design ▁and ▁material ▁properties , ▁and ▁ability ▁to ▁reverse ▁changes . ▁Re vers ibility ▁is ▁now ▁emphas ized ▁so ▁as ▁to ▁reduce ▁problems ▁with ▁future ▁treatment , ▁investigation