# data[].attributes.headline
Its used to reduce errors when marking out

# data[].attributes.subject
Its used to reduce errors when marking out

# data[].attributes.body
Accurate marking out and measuring are important in ensuring materials will fit together properly

# data[].attributes.headline
Possible effects of working from different datums is errors can accumulate 

# data[].attributes.subject
Possible effects of working from different datums is errors can accumulate 

# data[].attributes.body
Vice

# data[].attributes.body
Produces guidelines to work to

# data[].attributes.body
V-block

# data[].attributes.body
Hands

# data[].attributes.body
Holes equally spaced around a given diameter

# data[].attributes.headline
If marking out is wrong, component will be wrong

# data[].attributes.subject
If marking out is wrong, component will be wrong