Publisher Blurb: his list is of 100 different items that could be found by players in a school chemistry lab. Although there are 100 items on the list, many of these can then be split into further items. Many of the items that can be found are potentially dangerous, and could be used to create possibly useful things. These could be useful in a post-apocalyptic setting, whether this be a typical end of the world situation, zombie apocalypse or alien invasion. 38. Graham Condenser (12"/300 mm in length clear borosilicate glass tube with a coiled glass tube spiralling inside it, with top and bottom tubes for the internal tube and side top and side bottom tubes for the external container) 39. High Vacuum Grease (Silicone grease in a squeezable tube, used as a sealant and lubricant) 40. Hoffman Tubing Clamp (Metal vicelike clamp that screws shut with an adjustment screw, for controlling the flow through rubber and plastic pipes)