survey Echo
centreline

#file to assemble all of Echo Pot Series

input Echopot3.th
input Echopot3a.th

equate 5@Echopot3 5@Echopot3a#reason page 3

input Echopot10.th
equate 20@Echopot3a psp@Echopot10#reason page 11

input Newconnection.th
equate 14@Newconnection 5@Echopot3#reason page 15

endcentreline
endsurvey