QCD Symmetries, Conservation Laws and dentities *BRST symmetry and Ward-Takahashi(slavnov-Taylor ) identities Labor symmetries and conservation laws "QCD energy-momentum tensor PQCD angular momentum tensorQCD Symmetries, Conservation Laws and Identities • *BRST symmetry and Ward-Takahashi(Slavnov-Taylor) identities • *Glabor symmetries and conservation laws • *QCD energy-momentum tensor • *QCD angular momentum tensor