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Schüfftan placed a plate of glass at a 45-degree angle between the camera and the miniature buildings. He used the camera's viewfinder to trace an outline of the area into which the actors would later be inserted onto the glass. This outline was transferred onto a mirror and all the reflective surface that fell outside the outline was removed ...
Excavators in Scandinavia often feature a tiltrotator which allows attachments rotate 360 degrees and tilt +/- 45 degrees, in order to increase the flexibility and precision of the excavator. Before the 1990s, all excavators had a long or conventional counterweight that hung off the rear of the machine to provide more digging force and lifting ...
The following other wikis use this file: Usage on bg.wikipedia.org Ъгъл; Usage on cy.wikipedia.org Gofod Euclidaidd; Usage on en.wikibooks.org
Excavator digging in Tokyo, Japan Kobelco Excavator in shovel configuration. The term "backhoe" refers to the action of the bucket, not its location on the vehicle. [2] That is, a backhoe digs by drawing earth backwards, rather than lifting it with a forward motion like a person shovelling, a steam shovel, or a bulldozer. The buckets on some ...
The projectors in oblique projection intersect the projection plane at an oblique angle to produce the projected image, as opposed to the perpendicular angle used in orthographic projection. Mathematically, the parallel projection of the point ( x , y , z ) {\displaystyle (x,y,z)} on the x y {\displaystyle xy} -plane gives ( x + a z , y + b z ...
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The suction excavator uses suction fans for the airflow to suck up the material that is then transported into the holding tank. Hydro excavation, a type of suction excavator using high-pressure water jets, is sometimes referred to as daylighting, as the underground utilities are exposed to daylight during the process. [2]
Gradually Universal Excavators designed by Bucyrus-Erie replaced Ruston & Hornsby designed models. The original range of standardised rope-operated machines included 10RB, 17RB, 19RB, and 33RB and were upgraded through some intermediate models including the 54RB to a main selling range in the 1960s of 22RB, 30RB, 38RB, 61RB, and 71RB.