A pipe is a tubular section or hollow cylinder, usually but not necessarily of circular cross-section, used mainly to convey substances which can flow ? liquids and gases (fluids), slurries, powders and masses of small solids.It can also be used for structural applications; hollow pipe is far stiffer per unit weight than solid members. Both "pipe" and "tube" imply a level of rigidity and permanence, whereas a hose (or hosepipe) is usually portable and flexible.
For materials that are inflexible, cannot be formed, or where construction is governed by codes or standards, tube assemblies are also constructed with the use of tube fittings.Źródło: https://en.wikipedia.org/wiki/Pipe_(fluid_conveyance)
"Piping" sometimes refers to Piping Design, the detailed specification of the physical piping layout within a process plant or commercial building.
In earlier days, this was sometimes called Drafting, Technical drawing, Engineering Drawing, and Design but is today commonly performed by Designers who have learned to use automated Computer Aided Drawing / Computer Aided Design (CAD) software., Plumbing is a piping system with which most people are familiar, as it constitutes the form of fluid transportation that is used to provide potable water and fuels to their homes and businesses.Plumbing pipes also remove waste in the form of sewage, and allow venting of sewage gases to the outdoors.Fire sprinkler systems also use piping, and may transport nonpotable or potable water, or other fire-suppression fluids. Piping also has many other industrial applications, which are crucial for moving raw and semi-processed fluids for refining into more useful products.Some of the more exotic materials of construction are Inconel, titanium, chrome-moly and various other steel alloys.Źródło: https://en.wikipedia.org/wiki/Piping
An invoice for the work done by a plumberAfter completing the plumbing major plumbing work, for example, when building a house, it organized the reception of work, during which an assessment is made of the works.
It was only after their positive assessment of the property owner will be issued an invoice for the work done so far.
Sometimes you may find that the final valuation of the work performed will be higher than the initial estimate.If such an increase in fees for services is justified, then the property owner will be obliged to pay them in full.The increase in fees can be, for example, to provide wholesalers defective materials that had to be exchanged for others.Accordingly, the need to be able to repair the water system already formed, which generated extra costs..