Exercise ball a chair because of ergonomic considerations or biomechanical reasons. This large plastic ball, known as a "birth ball", can also be used during labour to aid the descent of the fetal head into the pelvis. Sitting in an upright position will also aid fetal positioning and is more comfortable for the woman. Sitting on the ball with arms placed on a bed, table or otherwise sturdy object for support and gently rocking the hips may help the woman during contractions and aid the natural physiological process of birth. Exercise ball An exercise ball, also known as a Swiss Ball, is
Magic 8-Ball the revamped product caught the attention of Chicago's Brunswick Billiards. In 1950 they commissioned Alabe Crafts to make a version in the form of a traditional black-and-white 8-ball. The Magic 8-Ball is a hollow plastic sphere resembling an oversized, black-and-white 8-ball. Inside, a cylindrical reservoir contains a white, plastic icosahedron floating in alcohol dyed dark blue. Each of the die's 20 faces has an affirmative, negative, or non-committal statement printed in raised letters. These messages are read through a window on the ball's bottom. To use the ball, it must be held with the window initially facing down. After "asking