What I mostly want to understand is WHY the parking brake adjustment didn't work.

Jing Wei loads her crossbow with explosive bolts that augment her next 3 Basic Attacks.

A few days later explosive valves were deployed to unlatch the scan platform.

The separation may be accomplished by firing one or more explosive bolts to release a clamp that connects the control surface to the fuselage.

Another 170 million bits of debris as small as a pencil tip may also exist - including things like explosive bolts and paint flecks.

Another 170 million bits of debris as small as a pencil tip may also exist — including things like explosive bolts and paint flecks.

Another 170 million bits of debris as small as a pencil tip may also exist – including things like explosive bolts and paint flecks.

A series of explosive bolts held the escape tower in place until either an emergency use during an aborted launch or its scheduled jettison three minutes after liftoff.