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NASA Tech Briefs
12 issues for FREE

NASA Tech Briefs has exclusive first publishing rights to the best new technologies developed under NASA's $10 billion R&D budget - making it a "first-read, must-read" for forward thinking engineers who apply these innovations to product development in aerospace, automotive, electronics, communications, bio-med, industrial machinery, and other OEM industries. This publication is available in print and digital (.pdf) formats.

Construction Distribution
6 issues for FREE

The Contractor Supplier's source for sales, management, and product information.

Equipment World's Digital Edition
12 issues for FREE

EQUIPMENT WORLD is the complete resource for construction professionals, reaching primarily contractors, but also producers of construction materials, utilities, mining, logging, equipment rental houses, and other non-contractors. Also served are manufacturers of construction equipment or supplies, distributors/dealers of construction equipment, materials and supplies and others allied to the field.