prewash on left, main wash the middle, and softner on right... was funny aunt clamping the sliding handler with a clothes pin to the deterget despenser to avoid machine accidental stop during the spinning.
14 programmes, 3 cycles: cottons, synthetic, delicates&wool and the most wonderful funcion of the Italian seventies machine: BIO
in programmes 1-2-3-8-9 allows you to soak for the selected period from 1 to 12 hours, after which the machine automatically ended the cycle
BIO in other manner was intended for an undetermined period just like a stop, or otherwise for a fixed period of 2-3 hours (generally on program 1 just callled Biological), only TOL machine had the timed BIO