To attach 2x4s and 2x6 lumber, 16 penny 3" length are very common. 8# and 10# nails are also used with various configurations. Structural screws are much more expensive but are used more in recent years.
ANS 2 - Virtually every builder/framer now uses airnailers and the common size is a strip of 28 degree angled 3 " nails. - I haven't seen anyone use a '16 penny nail' in almost 15 years !
its a method used in construction of recording the profitability of a project at a regular basis. normally once a month, pending on the size of the project.
1.5 or 2 inch finish nails
A wrench normally has a fixed size head. A pipe wrench has an expanding jaw and can fit a variety of sized pipes.
Depends on the size of the house.
That will vary inversely with the size/weight of the nails and directly with the strength of the magnet.
Because they said so
The size of the nail depends on the horses hoof size.
Your answer depends totally on the location, size, amenities and current rates for construction in Toronto. A local developer may be able to help you.
Measure its size and determinr its species
none its magic
For most molding, size 6D finishing nails will do the job. This is not universal for all moldings and you may need to try a size 4D for some styles.
If you are gluing as well, finish nails or small screws will do the job.