Door In Abandoned Factory | Unknown Credit

Arc furnace

Source: https://imgur.com/6KPYeAl

The Wankel Rotary Engine :

Converts pressure into rotating motion,all parts rotate consistently in one direction,as opposed to the piston engine,which has pistons violently changing direction.

An employee at our gas turbine manufacturing facility in Greenville, SC inspects the compressor section of a GE 7F.05 turbine. The compressor section is the 100,000-pound heart of the turbine. After assembly, these machines will be shipped to locations around the world to begin powering cities, homes, and maybe even the gadget you’re holding.

https://www.youtube.com/embed/D4fWgzf8h_w?feature=oembed&enablejsapi=1&origin=https://safe.txmblr.com&wmode=opaque

ASÍ SE HACE - TUBERÍAS CORRUGADAS - DiscoveryMAX

A silicon crystal being grown by the Czochralski process at the Raytheon Corp. semiconductor plant in Newton, Massachusetts, USA, in 1956 for use in the first silicon transistors. The transistor was invented in 1946, and the Czochralski process was first used to grow silicon crystals to make the first silicon transistors at Bell Labs in 1953, so this is one of the earliest silicon crystal production plants.

Constant-velocity joints (aka homokinetic or CV joints) allow a drive shaft to transmit power through a variable angle, at constant rotational speed, without an appreciable increase in friction or play. They are mainly used in front wheel drive vehicles, and many modern rear wheel drive cars with independent rear suspension typically use CV joints at the ends of the rear xle halfshafts and increasingly use them on the propshafts (drive shafts).

1909 Wales Adding Machine Model 10 getting cleaned

Source: https://imgur.com/snd6z

Harley Davidson engine  cutaway