toplevel "System";
"System" or "CPUfdep" "CPUunit" "Motorunit" "Pumpunit";

"CPUfdep" fdep "trigger" "P" "B";
"trigger" or "CS" "SS";
"CS" lambda=0.2 dorm=0;
"SS" lambda=0.2 dorm=0;
"CPUunit" wsp "P" "B";
"P" lambda=0.5 dorm=0;
"B" lambda=0.5 dorm=0.5;

"Motorunit" or "MP" "Motors";
"MP" pand "MS" "MA";
"Motors" csp "MA" "MB";
"MS" lambda=0.01 dorm=0;
"MA" lambda=1 dorm=0;
"MB" lambda=1 dorm=0;

"Pumpunit" and "PumpA" "PumpB";
"PumpA" csp "PA" "PS";
"PumpB" csp "PB" "PS";
"PA" lambda=1 dorm=0;
"PB" lambda=1 dorm=0;
"PS" lambda=1 dorm=0;