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Simple split-rail fence Log fence with double posts (photo taken in 1938). A split-rail fence, log fence, or buck-and-rail fence (also historically known as a Virginia, zigzag, worm, snake or snake-rail fence due to its meandering layout) is a type of fence constructed in the United States and Canada, and is made out of timber logs, usually split lengthwise into rails and typically used for ...
An exploded-view drawing is a diagram, picture, schematic or technical drawing of an object, that shows the relationship or order of assembly of various parts. [1]It shows the components of an object slightly separated by distance, or suspended in surrounding space in the case of a three-dimensional exploded diagram.
The assembly drawing typically includes three orthographic views of the system: overall dimensions, weight and mass, identification of all the components, quantities of material, supply details, list of reference drawings, and notes. Assembly drawings detail how certain component parts are assembled. [2]
The 4R/2M assembly method was designed to combine parts (BioBrick Assembly Standard 10 or Silver Standard) within existing plasmids (i.e. without PCR or subcloning). The plasmids are reacted in vivo with sequence-specific DNA methyltransferases, so that each is modified and protected from one of two restriction endonucleases that are later used ...
The fencing area, 14 metres (46 ft) long and between 1.5 and 2 metres (4.9 and 6.6 ft) wide. Going off the side of the strip with one foot or both halts the fencing action and gets a penalty of the loss of 1 metre (3.3 ft). The last 2 metres (6.6 ft) on each end are hash-marked, to warn a fencer before they back off the end of the strip.
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Silt fence installed on a construction site. Silt fences are often installed as perimeter controls. They are typically used in combination with sediment basins and sediment traps, as well as with erosion controls, which are designed to retain sediment in place where soil is being disturbed by construction processes (i.e., land grading and other earthworks).
The tip of the electric foil terminates in a button assembly that generally consists of a barrel, plunger, spring, and retaining screws. [13] The circuit is a "normally closed" one, meaning that at rest there is always a complete power circuit; depressing the tip breaks this circuit, and the scoring apparatus illuminates an appropriate light.