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speech on roller coasters, i need 3 topics please?

Hi, I'm doing a speech on roller coasters and I've decided I'm going to talk about the enginerring and safety of roller coasters and I need a third topic please. Any suggestions?

You could do a compare and contrast. There are different types nowadays based on how the riders sit (or stand, in some cases). At Busch Gardens in Williamsburg, for example, the Big Bad Wolf suspends riders (the track is above them), while Apollo's Chariot provides minimal protection (riders are basically in a chair with a lap bar - there's no cockpit-style seating, leaving the riders to feel the open air as much as possible). At Kings Dominion in Virginia, the Shockwave has riders standing up.

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Small Child Pediatric Posterior Safety Roller Walker    US $306.51

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Basket for use with Adult Pediatric Safety Rollers    US $29.32

IV Pole for use with Safety Rollers    US $99.00

Positioning Bar for Adult Posterior Safety Rollers    US $57.55

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Oxygen Holder D or E Cylinders For All Wenzelite Safety Rollers    US $62.27

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DRIVE CE 1045 Vertical Handgrips for All Wenzelite Posterior Safety Rollers    US $65.87

DRIVE CE 1050 Pelvic Stabilizer for All Wenzelite Posterior Safety Rollers    US $110.10

DRIVE CE 1052 Positioning Bar for Wenzelite CE 1200 Posterior Safety Roller    US $56.35

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DRIVE CE 1080 L Trunk Support for all Wenzelite Posterior Safety Rollers    US $225.12

DRIVE CE 1080 S Trunk Support for all Wenzelite Posterior Safety Rollers    US $190.30

DRIVE CE 1200 BK Adult Standing Posterior Safety Roller Walker Black    US $302.92

DRIVE CE 1250 Oxygen Holder for use w Safety Rollers Holds D E Cylinders    US $62.64

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DRIVE CE 1500 Swivel Wheel Locking Brackets use with Wenzelite Safety Rollers    US $41.91

DRIVE CE OBESE XL Bariatric Heavy Duty Anterior Safety Roller Standing Walker    US $414.02

NEW Nimbo Lightweight PEDIATRIC Posterior SAFETY ROLLER    US $184.99

Nimbo Lightweight JUNIOR Posterior SAFETY ROLLER 19 25    US $198.99

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Wenzelite Rehab Adult Anterior Safety Roller Model CE 1000 B    US $168.00

Wenzelite Rehab Bariatric Anterior Safety Roller Model ce 1000 XL    US $259.00

Drive Nimbo Lightweight Posterior Safety Roller Tyke    US $157.60

Drive Nimbo Lightweight Posterior Safety Roller Y Adult    US $220.00

Drive Nimbo Lightweight Posterior Safety Roller Youth    US $157.60

Drive Nimbo Lightweight Posterior Junior SAFETY ROLLER    US $157.60

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Drive Medical Bariatric Extra Heavy Duty Anterior Safety Roller in Black    US $303.65

DRIVE PE 1000 XL Anterior Safety Roller Rolling Stand Up Walker Rollator    US $315.15

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This entry was posted on Monday, April 6th, 2009 at 8:22 pm and is filed under Mobility Equipment. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.