blades

One major advantage of not having blades is reduced maintenance costs.

Tesla-Inspired Bladeless Wind Turbine Could Generate Power Comparable to Coal Power Plants | Impact Lab 2010

The old-fashioned safety razor, with replaceable blades, is easier on the scalp as well as the environment.

The Shorn Identity Christina binkley 2010

The 100% reliability advantage of fixed blades is huge.

Years ago Chuck Adams wrote he did not like and would not use mechanical broadheads. 2009

The 100% reliability advantage of fixed blades is huge.

Years ago Chuck Adams wrote he did not like and would not use mechanical broadheads. 2009

It looks like a conventional design (the helical arrangement of blades is so well-known as to be mentioned in the Wikipedia article on vertical turbines, for example) with added dubious marketing gimmicks to me.

Wind Turbines 2006

“Mujauhar”: the watery or wavy mark upon Eastern blades is called the “jauhar,” lit. = jewel.

The Book of The Thousand Nights And A Night 2006

The locking ability of blades is a great safety feature.

Memorial Day Gear Guide: We Test Camping Lanterns and Multitools 2006

The locking ability of blades is a great safety feature.

Memorial Day Gear Guide: We Test Camping Lanterns and Multitools 2006

Each one of those blades is a lock-blade, so it folds down for carrying, and a clockwise twist separates it into two 3-bladed pieces.

Blade Geek msmarlamae 2005

Its a rack of blades from the "premiere provider of high-density blade servers ... in the industry", Racksaver.

I Wish 2003