Today I Learned . . .

1.  LEM (referred in the Apollo 13 movie) stands for Lunar Excursion Module

2.  PVDF stands for (P)oly(V)inyli(D)ene(F)louride  http://en.wikipedia.org/wiki/Polyvinylidene_fluoride

3.  The maximum DOW UF TMP is 2.1 bar (30 psi)