), ▁if ▁the ▁h ing es ▁are ▁on ▁the ▁right , ▁it ▁is ▁a ▁D IN ▁Right ▁door ▁( D IN ▁re chts , ▁D IN ▁droite ). ▁The ▁D IN ▁Right ▁and ▁D IN ▁Left ▁mark ing ▁are ▁also ▁used ▁to ▁categor ize ▁matching ▁installation ▁material ▁such ▁as ▁mort ise ▁lo cks ▁( refer enced ▁in ▁D IN ▁ 1 0 7 ). ▁The ▁European ▁Standard ▁D IN ▁EN ▁ 1 2 5 1 9 ▁" Windows ▁and ▁ped est rian ▁doors . ▁Term in ology " ▁includes ▁these ▁definitions ▁of ▁orientation . ▁In ▁Australia : ▁The ▁" ref r iger ator ▁rule " ▁applies , ▁and ▁a ▁re fr iger ator ▁door ▁is ▁not ▁opened ▁from ▁the ▁inside . ▁If ▁the ▁h ing es ▁are ▁on ▁the ▁right ▁then ▁it ▁is ▁a ▁right ▁hand ▁( or ▁right ▁hung ) ▁door . ▁( Austral ian ▁Stand ards ▁for ▁Install ation ▁of ▁Tim ber ▁Do or sets , ▁AS ▁ 1 9 0 9 – 1 9 8 4 ▁pg ▁ 6 .) ▁ ▁In ▁public ▁buildings , ▁exterior ▁doors ▁should ▁open ▁to ▁the ▁outside ▁in ▁order ▁to ▁comp ly ▁with ▁any ▁fire ▁codes ▁that ▁may ▁be ▁in ▁force ▁in ▁that ▁juris diction . ▁If ▁the ▁door ▁opens ▁in ward ▁and ▁there ▁is ▁a ▁fire , ▁there ▁can ▁be ▁a ▁cr ush ▁of ▁people ▁who ▁run ▁for ▁the ▁door ▁and ▁they ▁will ▁not ▁be ▁able ▁to ▁open ▁it . ▁ ▁Types ▁ ▁New ▁exterior ▁doors ▁are ▁largely ▁defined ▁by ▁the ▁type ▁of ▁materials