Tired but is a very goob job

Today as i didnt get any job
so i follow my father go to his construction
and learn thing
Many will ask learn what ?
As i have received the offer letter from the university
so it mean that i success applied for quantity surveying course
so i follow my father to learn thing from a real situation
real construction site, real construction plan, real architect drawing
And what i do today is marking
which mean mark on the point according to the plan
a tiring job
measure mark
measure mark
measure mark
and today because first time doing it so get wrong
ordinarily today i can finish mark a jacuzzi pond
but because i mark 9 point but went i cal why i get ten point
so redo all the calculation
all calculation were right
then i found i forget the starting point
is the first marking point not the wall
so redo marking
so now really tired
but not finsh
but this is a very good job
because about 10:30 i arrived the site
then 4:00 i go home
And actually i just doing the marking for
about two and a half hour only
because other time i follow my father to look arround the site
and one hour lunch