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The [main] field of the drawing, as opposed to other areas of it, such as the parts list , general notes (G/N), flagnotes , title block , rev block , bill of materials (B/M or BoM or BOM), or list of materials . Rationales for drawing changes that are noted in the rev block often use these abbreviations for brevity (e.g., "DIM 14.00 was 12.50 ...
An engineering drawing is a type of technical drawing that is used to convey information about an object. A common use is to specify the geometry necessary for the construction of a component and is called a detail drawing.
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] An assembly drawing shows which order ...
ISO Standards Handbook – Technical drawings, a broad collection of all basic ISO drawing standards Vol.1 Technical drawings in general, ISBN 92-67-10370-9; Vol.2 Mechanical engineering drawings, construction drawings, drawing equipment, ISBN 92-67-10371-7; ISO 128 Technical drawings—General principles of presentation
Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality .
However, this novel and complicated method requires careful and expensive planning from mechanical engineers, who must work closely with the engineers designing the electrical and plumbing systems for a building. A major concern for people designing HVAC systems is the efficiency, i.e., the consumption of electricity and water.
Shop drawings are produced by contractors and suppliers under their contract with the owner. The shop drawing is the manufacturer’s or the contractor’s drawn version of information shown in the construction documents. [1] The shop drawing normally shows more detail than the construction documents.
ISO 128-44:2001 Technical drawings — General principles of presentation — Part 44: Sections on mechanical engineering drawings ISO 128-50:2001 Technical drawings — General principles of presentation — Part 50: Basic conventions for representing areas on cuts and sections