Complex instructions to operate equipment

Confusing operating instructions
Poorly translated assembling instructions
Researchers at the University of Eindhoven found that a VCR or colour photocopy machine often is used at only 10 percent of its capacity because instructions are too complex. The English instructions for setting up a camera tripod (made in Korea) included: "To open the thighs, grab two thighs and pull them gently toward you".
1. Tolerances will accumulate unidirectionally toward maximum difficulty to assemble.

2. After an instrument has been assembled, extra components will be found on the bench.

3. Parts that positively cannot be assembled in improper order will be.

(E) Emanations of other problems