diff --git a/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_01.jpg b/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_01.jpg new file mode 100644 index 0000000000000000000000000000000000000000..1884c6e167e83dcd4d03f61d489df011f1821f81 Binary files /dev/null and b/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_01.jpg differ diff --git a/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_02.jpg b/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_02.jpg new file mode 100644 index 0000000000000000000000000000000000000000..0a6d9d42681ef4086212a22e08d7303b751aa46b Binary files /dev/null and b/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_02.jpg differ diff --git a/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_03.jpg b/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_03.jpg new file mode 100644 index 0000000000000000000000000000000000000000..166b05ab9b10954942223bb5999c3fb80e3e42be Binary files /dev/null and b/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_03.jpg differ diff --git a/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_04.jpg b/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_04.jpg new file mode 100644 index 0000000000000000000000000000000000000000..f972c4624d8ecba051ac8a8006b14118a85d1d0b Binary files /dev/null and b/p.5.1_replacement-gas-bottles_BT1-2/p5.1_img_04.jpg differ