2. 1.Escalator (wood, grease) 2.One of: stainless steel escalators, cleaned mechanisms, sprinklers installed, smoke and fire alarms, smoking bans. 3.Pump (water pump) 4. a) Bakeryb) 1c) 4 days (& nights)d) 3/5ths 5.One of: (new building codes, wood was replaced with fire resistant plaster & brick, better water system, holes were precut in wooden water mains, removable plugs, above ground, fire plug – fire hydrant). 6.Hose 7.Steam powered fire engine /10

3. 8.35 9.Heat sensing visors (thermal imaging camera and sensors). 10.4 minutes 11.146 12.One of: life safety code introduced, building codes changed, building exit code). 13.Better exits (doors that open out even if a revolving door is present). 14.One of: power went out, low water pressure. 15.Pipes terminate with cover connected with solder that melts at 150 degrees. (anything) 16.Long ledges (or balconies). 17.Check exits, sprinklers, lower than 7 th floor. /10 /20 For more lessons, visit www.chalkbored.com www.chalkbored.com