These are the most frequently used words in this book.
101
1112
12in
30in
3in
4ft
4in
6ft
6in
above
accessible
air
allowed
appliance
approved
area
arm
attic
below
bend
bldg
branch
btu
building
cleanout
closet
connection
diameter
discharge
drain
drainage
ducts
el
exc
fig
fittings
fixture
floor
ft
gas
group
heater
horiz
horizontal
irc
island
joints
larger
length
level
main
materials
max
may
min
must
ok
openings
outlet
outside
per
pipe
piping
plastic
pressure
provide
relief
req
required
roof
see
sewer
shall
shower
side
sink
size
space
stack
steel
story
supply
support
system
temperature
terminate
toilet
trap
type
units
upc
valve
vent
venting
vert
vertical
wall
waste
water
wet