A "'bell pit "'is a primitive method of mining coal, iron ore or other minerals where the coal or ore lies near the surface.
32.
"The four largest studies used the most primitive methods _ people were asked to remember their birth weight and their most recent blood pressure measurement, " he said.
33.
Though this recognised the primitive methods of earth-moving available at the time, it meant that his canals were often much longer than a more adventurous approach would have produced.
34.
The first, and probably the primitive method, consisted in tossing up and catching the bones on the back of the hand, very much as the game is played today.
35.
To conserve the strength of the bomber units for the upcoming Western campaign, the modern He 111 bombers were replaced by Ju 52 transports using " worse than primitive methods " for the bombing.
36.
"We claim to be a civilized society and we return to these primitive methods of punishing people, " said Mark Kappelhoff, legislative counsel for the American Civil Liberties Union in Washington.
37.
Using what are now considered primitive methods, about 100, 000 crystal units were produced in the United States during 1939 . Through World War II crystals were made from natural quartz crystal, virtually all from Brazil.
38.
"When we saw American-trained anesthesiologists using these primitive methods, our impression was that they must have developed these methods for use in remote rural areas, " said the hospital's professor of anesthesia.
39.
What once was the primitive method of hand-dumping dry ice was replaced with rocket canisters loaded with silver iodide, and then gun-like devices mounted on the wings of the airplanes that fired silver iodide into the clouds.
40.
Oracle navigator Ian Burns said crewmembers might have to resort to primitive methods to gauge distances between boats because of a ban on lasers and other equipment which, he said, " flies in the face of common logic ."
