Construct the hypothetical binary system S-T which represents the following conditions (label all areas):
a. component S melts at 1800 centigrate.
b. component T melt at 1550 centigrate.
c. compound S2T3 melts congruently at 1450 centigrate.
d. compound S2T melts incongruently at 1400 centigrate.
e. a maximum of 25 % of T is soluble in S2T3 forming the solid solution phase alfa.
f. A eutectic exists between alfa(ss) and T at 1300 centigrate.
g. beta-S2T transforms to alfa-S2T when heated above 1150 centigrate.
h. a eutectic exists between alfa-S2T and S2T3 at 1300 centigrate.