This term applies to wooden pallets, and refers to a treatment process to kill any infestation within the timber prior to export to Australia or new Zealand. Plastic pallets do not require this treatment
subjected to a physical (or chemical) treatment or action or agent; "the sludge of treated sewage can be used as fertilizer"; "treated timbers resist rot"; "treated fabrics resist wrinkling"
The term given to a broad range of processes that a gem may be subjected to in order to improve its apperance. While most treatment processes are permanant, some may be temporary.
Paper treated mechanically in the paper machine to improve the smoothness and uniformity of the two sides: the paper is rubbed, smoothed and calendered.