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Engineering Specifications
Specifications are needed to avoid errors due to lack of compatibility.

Guidance and content

Sometimes a guide or a standard operating procedure is available to help write and format a good specification.[5][6][7][8] A specification might include:

  • Descriptive title, number, identifier, etc. of the specification
The common blackbird of the nominate subspecies T. m. merula is 23.5 to 29 centimetres (9.25 to 11.4 in) in length, has a long tail, and weighs 80–125 grammes (2.8 to 4.4 oz). The adult male has glossy black plumage, blackish-brown legs, a yellow eye-ring and an orange-yellow bill.

Canada geese range from 75 to 110 cm (30 to 43 in) in length and has a 127–185 cm (50–73 in) wingspan.[9] Among standard measurements, the wing chord can range from 39 to 55 cm (15 to 22 in), the tarsus can range from 6.9 to 10.6 cm (2.7 to 4.2 in) and the bill can range from 4.1 to 6.8 cm (1.6 to 2.7 in). The largest subspecies is the B. c. maxima, or the "giant Canada goose", and the smallest (with the separation of the cackling goose group) is B. c. parvipes, or the "lesser Canada goose".[10] An exceptionally large male of race B. c. maxima, which rarely exceed 8 kg (18 lb), weighed 10.9 kg (24 lb) and had a wingspan of 2.24 m (7.3 ft). This specimen is the largest wild goose ever recorded of any species.[11]

The male Canada goose usually weighs 2.6–6.5 kg (5.7–14.3 lb), averaging amongst all subspecies 3.9 kg (8.6 lb). The female looks virtually identical but is slightly lighter at 2.4–5.5 kg (5.3–12.1 lb), averaging amongst all subspecies 3.6 kg (7.9 lb), and generally 10% smaller in linear dimensions than the male counterparts.[12] The female also possesses a different, and less sonorous, honk than the male.

Construction Specifications

  1. architects
  2. architectural technologists
  3. structural engineers
  4. landscape architects
  5. building services engineers

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