Russian-English translations for конкре́тный

• specific
  a highly specific test, specific and nonspecific symptoms
  Quinine is a specific medicine in cases of malaria.
• concrete
  Fuzzy videotapes and distorted sound recordings are not concrete evidence that bigfoot exists.
  Once arrested, I realized that handcuffs are concrete, even if my concept of what is legal wasn’t.
  While everyone else offered thoughts and prayers, she made a concrete proposal to help.
• particular
  I couldnt find the particular model you asked for, but I hope this one will do
  We knew it was named after John Smith, but nobody knows which particular John Smith
  I dont appreciate your particular brand of cynicism
• tangible
  Yes, but what are the tangibles?