Fill in the Blanks (Reading & Writing)

The modern elevator industry traces its confidence to a public safety —demonstrationdemonstratordemonstratingdemonstrative performed in 1854, when a hoist was cut in front of onlookers and the platform failed to —plummetplummetingplummetedplummets. Today, engineers focus less on dramatic demonstrations and more on —preventivepreventionpreventingprevented maintenance schedules that catch worn cables before they —compromisecompromisingcompromisedcompromises passenger safety.