The "DF" stands for douglas fir . It's the type of wood the plywood is made out of.
Douglas Fir Plywood for sheathing, or covering flooring or a roof.
T-scores have a mean of 50 and a standard deviation of 10. These values are fixed and do not change regardless of the distribution of T-scores.
df
OMG, oh my gosh or god TTYL, talk to you later DF, definetly
DragonFable
DF in the medical feel can stand for dermal fibroblasts, delayed feeding, and deficiency factor to name a few.
f dx ?? do you mean f df ? int(f df) (1/2)f2 + C --------------
df df df
it spell daeing freak
df
Df
birch plywood like other plywood is lots bits of wood stuck together with glue or resin