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    (Keville, Green)As early as 10,000 BCE, men and women used scented oils and ointments to clean and soften their skin and mask body odor.

    Ceramic dating

    This treatment revealed two main groups; the first one contains only the three samples M52, M53, and M54 from Mar-Takla site, and the second one contains samples that belong to Tel Jamous site (local).

    Although the chamber is not hermetically sealed, since it is designed as a dynamic system, it is sufficient to establish equilibrium and determine the water activity.

    The XRF process is used to establish the proportions of the elements present in the object to be tested.

    The results can be used to study archaeological and historical materials in order to establish likely provenance, fabrication technology and manufacturing technique.

    Water Activity (Aw) is defined as the ratio of the partial vapor pressure of water in a substance to the vapor pressure of pure water at the same temperature (i.e. Water activity is a good indication of the amount of moisture in a material and can be a valuable indication of the initial condition of raw materials used in producing building materials.

    Knowing precisely how much water is in the material can provide a means of screening the raw material before accepting a delivery and can also be useful in adjusting the formulation or process to ensure a quality product.

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