Helen Plum Library

"The full inside story of the breathtaking rise and shocking collapse of a multibillion-dollar startup, by the prize-winning journalist who first broke the story and pursued it to the end in the face of pressure and threats from the CEO and her lawyers. In 2014, Theranos founder and CEO Elizabeth Holmes was widely seen as the female Steve Jobs: a brilliant Stanford dropout whose startup "unicorn" promised to revolutionize the medical industry with...

Describes what bulldozers look like and what they do

Having a loader in the front and a bucket in the back makes the backhoe a particularly versatile construction vehicle. Readers will discover the backhoe's English origins and other interesting facts about these iconic machines. They will even learn the source of the backhoe's name.

Big tracks and blades make these earth-moving machines instantly recognizable. Introduce readers to the parts of a bulldozer, including the three kinds of blades these big machines use. A great choice for young readers, in particular those fascinated by powerful machines.

"This . . . practical guide takes you from evaluating the material to be welded all the way through the step-by-step welding process, and everything in between. Plus, you'll get . . . guidance on how to apply finishing techniques and advice on how to adhere to safety procedures. Explains each type of welding, including stick, tig, mig, and fluxcore welding, as well as oxyfuel cutting, which receives sparse coverage in other books on welding: tips...

Buckets, booms, and backhoes are just a few of the cool parts on these interesting machines. Learn more about diggers of all sizes inside! -- Publisher's description

"Explores the practical and decorative aspects of welding, including information on tools, materials, safety and dozens of metalwork projects"--Provided by publisher