what is the difference between needlepoint and petit point
Needlepoint The degree of detail in needlepoint depends on the thread count of the underlying mesh fabric. Needlepoint worked on fine canvas is known as petit point. Due to the inherent stiffness of needlepoint, common uses include eyeglass cases, holiday ornaments, pillows, purses, upholstery, and wall hangings.[citation needed]
Freezing-point depression The freezing point is the temperature at which the vapor pressures of liquid solvent and solid solvent are equal. When a non-volatile solute is added to a volatile liquid solvent, the solution vapor pressure will be lower than that of the pure solvent. As a result the solid will reach equilibrium with the solution at a lower temperature than with the pure solvent.[1]