[img]http://d.yimg.com/a/p/ap/20100910/capt.0ab670b2e5bb41dca5c34a826c8f5168-0ab670b2e5bb41dca5c34a826c8f5168-0.jpg?x=130&y=86&q=85&sig=.ARS.4SXtr7T.Wr5JWFAHA--[/img]AP - Chile is sparing no expense to rescue its 33 trapped miners, mounting three separate drilling efforts to carve escape tunnels through nearly a half-mile of solid rock and collapsed mine shafts. The latest — an oil-well drill so big it takes 40 trucks to carry it — began arriving Friday.