Stephanie Kwolek and Bulletproof Material

Stephanie Kwolek and Bulletproof Material book cover — 21st Century Junior Library Stephanie Kwolek and Bulletproof Material By Ellen Labrecque

Stephanie Kwolek and Bulletproof Material — page 1 — Police officers protect the public

Stephanie Kwolek and Bulletproof Material — page 2 — A Woman Police officers have an important job They help people in emergencies Their work can be dangerous Sometimes people shoot at them Thankfully they can be protected by special clothing Stephanie Kwolek is the scientist who invented Kevlar Kevlar is a bulletproof material It has the power to stop speeding bullets It is used to make helmets and vests

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