Greeley crews used a rope and pulley system to free the man trapped for nearly 20 hours. Greeley technical rescue crews came up with two plans when they encountered a man wedged between a church ...

About a dozen firefighters worked together using rope to lift the man vertically ... pull him up vertically through a pulley system." Firefighters said the man was slouched over when they arrived ...

READ MORE: Agonising final hours of man who suffered 'worst death imaginable ... to pull him to the surface using a system made of ropes and pulleys, which took some time to prepare.

Where one man attempts to pull a truck like this ... being ‘shared’ between the pulleys. The more pulleys, and hence the more ropes, the easier it is. Measurements are taken to quantify ...