unverwüstlich — indestructible. Said of a coat, a car or an old radio.
wertbeständig — keeping its value.
nicht totzukriegen — impossible to kill. Said with affection of an old machine that keeps working.
die Sollbruchstelle — the intended breaking point. An engineering term, now also used for a weak point a maker is suspected of building in on purpose.
die Wegwerfgesellschaft — the throwaway society. It is a reproach.