Although equivocal, the piece remains one of Caragiale's most charged and crudest articles. Oblique drawing is also the crudest "3D" drawing method but the easiest to master. The crudest and oldest of these is called CTCSS, or Continuous Tone-Controlled Squelch System. A funny memoir of the famous railroad worker Casey Jones, the crudest jerk around. This is typical of all but the crudest propellers. The concrete was cast in its crudest form, a huge mass without reinforcement. M-type is the crudest and comprises an inverted cone.