Blades in example sentence

These crude tools were around for thousands of centuries, until around 1.4 million years ago when Homo erectus started shaping single, thin stone blades, sometimes rounded ovals, but often in what are to our eyes an arresting, symmetrical pointed leaf or teardrop form.

More example sentences with word blades

Powerful, crushing blades.

And despite the aerodynamic interactions with these propeller blades, they're able to maintain stable flight.

WK: I made four blades, just because I want to increase power.

I was afraid that they would kill us, and instead they understood, especially when I told them that I was trying to apply the same stratagem that Philip Johnson applied in 1934 when he wanted to make people understand the importance of design, and he took propeller blades and pieces of machinery and in the MoMA galleries he put them on white pedestals against white walls, as if they were Brancusi sculptures.

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