In 1972 Boeing proposed a three engines short version of the 747-200 (known as 747-300x) to compete the DC-10 and L-1011. The project became the four engines with short fuselage 747SP launched in 1974.
Paper Airplane - also perfect for presents http://origami.wonderhowto.com/how-to/fold-origami-f-18-fighter-jet-out-dollar-bill-313882/
Choosing an RC Brushless Motor
Panel Saw Woodworking Plan
The PLY90 is a patent pending connector that is a faster, better looking alternative for DIY furniture. This clip/bracket works with many plywoods and hardwoods.
How To Clean A Microwave in 5 Minutes-I just tried this. Really works. Super easy clean up.
Fold-Down Cutting Rack - The Woodworker's Shop - American Woodworker
How to Create a Paint Booth in Your Garage