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A Lally column is a round or square thin-walled structural steel column filled with concrete, [1] and oriented vertically to provide support to beams or timbers stretching over long spans. Lally columns are an engineered component and as such must be installed exactly as the design engineer specified.
A jack post (telepost, adjustable steel column) is a steel post used in the construction trades for temporary support of ceilings, walls and trenches ().They are designed to be able to mechanically telescope to about twice their shortest length in order to span a wide variety of spaces.
When this is done, the product is referred to as a Lally column after its inventor John Lally of Waltham, Massachusetts. (The pronunciation is often corrupted to lolly column .) For example, barriers around parking areas ( bollards ) made of HSS are often filled, to at least bumper height, with concrete.
Pages for logged out editors ... move to sidebar hide (Top) 1 Usage. Toggle the table of contents. Template: Unicode chart Spacing ... Download as PDF; Printable ...
If just 2 columns are being swapped within 1 table, then cut/paste editing (of those column entries) is typically faster than column-prefixing, sorting and de-prefixing. Another alternative is to copy the entire table from the displayed page, paste the text into a spreadsheet, move the columns as you will.
The columns-start template and its child templates column and columns-end can be used to make a fixed number of columns (up to 5) that will span the entire page above a certain minimum width (100 ems for 5 columns, 80 for 4, 60 for 3 and 2). Below the minimum width, each column starting from the right will gracefully display below another one ...
Centre-to-centre distance (c.t.c. distance or ctc distance) is a concept for distances, also called on-center spacing (o.c. spacing or oc spacing), heart distance, and pitch. It is the distance between the centre (the heart) of a column and the centre (the heart) of another column. By expressing a distance in c.t.c., one can measure distances ...
Most of non-spacing characters are modifiers, also called combining characters in Unicode, such as diacritical marks. Although non-spacing graphic characters are uncommon in traditional code pages, there are many such in Unicode. A combining character has its distinct glyph, but it applies to a character box of another character, a spacing one.