What is sap ,where its used ? Difference types?

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Sap as in a tree? Sap from a maple tree can be used to make Maple syrup.

verb

• 1.
  gradually weaken or destroy (a person's strength or power).
  "our energy is being sapped by bureaucrats and politicians"
  

  synonyms:

  erode, wear away/down, deplete, reduce, lessen, attenuate, undermine, exhaust,drain, bleed"they sapped the will of the troops"

  
  
  
  

SAP. A dumb person. He's a real sap!

Secondary Audio Programming?

Plant blood.