Surveying
For accurate work, the steel band should always be used in preference to chain because the steel band

is easier to handle
can be easily repaired in the field
is lighter than chain
is practically inextensible and is not liable to kinks when in use

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Surveying
Bowditch rule is applied to

an open traverse for graphical adjustment
determine the effect of local attraction
a closed traverse for adjustment of closing error
None of these

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