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Four OS2U Kingfisher airplanes flying in right echelon formation. An echelon formation (/ ˈ ɛ ʃ əl ɒ n, ˈ eɪ ʃ l ɒ̃ /) [1] is a (usually military) formation in which its units are arranged diagonally. Each unit is stationed behind and to the right (a "right echelon"), or behind and to the left ("left echelon"), of the unit ahead.
block, snatch A single sheave block with one end of the frame hinged and able to be opened, so as to admit a line other than by forcing an end through the opening. blockship A vessel sunk deliberately to block a waterway to prevent the waterway's use by an enemy. Blue Ensign A flag flown as an ensign by certain British ships.
The blocks were laid randomly without continuous courses or vertical and horizontal joints. Ashlar ( / ˈ æ ʃ l ər / ) is a cut and dressed stone , worked using a chisel to achieve a specific form, typically rectangular in shape.
Chaussé. A shield may also be party per chevron reversed (inverted), which is like party per chevron except upside down.A section formed by two (straight) lines drawn from the corners of the chief to the point in base is called chaussé (shod), which must be distinguished from the pile, the point of which does not reach the bottom of the shield.
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En echelon veins can be parallel or subparallel, closely-spaced, overlapping or step-like minor structural features in rock. These step-like features can be faults, or tension fractures, that are oblique to the overall structural trend. They originate as tension fractures that are parallel to the major stress orientation, σ 1, in a shear zone.
They compare the color to boxes printed around the world to ensure consistent brand colors,” Schiraldi explained. “Most printers only use four colors: cyan (blue-green), yellow, magenta and black.
A split-50 M-type 66 block with bridging clips attached. A 66 block is a type of punch-down block used to connect sets of wires in a telephone system. They have been manufactured in four common configurations, A, B, E and M. [a] A and B styles have the clip rows on 0.25" centers while E and M have the clip rows on 0.20" centers.