what we called in Phils. "chop-chop". Disassemble the spare parts into pieces, classified them as 're-usable' and 'for disposal or throw-away'. (of course, not really throw them away but send them to junk shop for re-cycling into new metals).

"I do live by the motto that pessimists are usually right, but all the great change in history was done by optimists" -Thomas Friedman