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18.   What was “valcanite”?

Convolutional layers are not connected to every pixel in the input image, but only to pixels in their receptive fields. As multiple layers of convolutions are stacked, the network is able to concentrate on [____] in the first hidden layer, early on in the model process.   Fill in the blank [ ]: An example is also provided for each choice. 

6.  Infection control measures should be used:

Jasmine sharpens her sword against a spinning grinding wheel, which can be modeled as a uniform cylinder. The 25 kg-wheel has a radius of 20 cm and is spinning at 200 rpm. If after 15 s of sharpening the grinding wheel is then rotating at 100 rpm, what is the torque applied to the grinding wheel by Jasmine?

After enjoying herself on the Ferris wheel at Theme Park™, Blossom notices that the Ferris wheel is advertised to rotate at a rate of 0.213 rad/s. If her tangential speed on the ride is equal to 3.0 m/s, what is the radius of the Ferris wheel?

24.  Skulls found and dated to Phoenician times show that they made semi-permanent “dental bridges” using what material?

14.   About when were acrylic resins introduced to dentistry?

23.  Fuel gas tanks may safely lie on their sides during use.

16.  “Vulcanite”, the denture base material, was invented by?

19.  Where was the first dental laboratory in the U.S. founded?