Tahini means "to grind", the same root as , "flour" in some dialects. There is also a sweet spread made from it called Halawa Taḥīniyya , which roughly translates as sweet Tahini. It is also known to be a type of Halva and sometimes has mashed or sliced pistachio pieces sprinkled inside or on top of it. Usually it is spread on bread and eaten as a quick snack. The word "tahini" appeared in English by the late 1930s. Plain, unprocessed sesame paste with no added ingredients is sometimes known as raw tahini. The oldest mention of sesame is in a
Solder paste However, these pastes need a very clean assembly environment and may need an inert reflow environment. In using solder paste for circuit assemblies, one needs to test and understand the various rheological properties of a solder paste. Solder paste is typically used in a stencil-printing process, in which paste is deposited over a stainless steel or polyester mask to create the desired pattern on a printed circuit board. The paste may be dispensed pneumatically, by pin transfer (where a grid of pins is dipped in solder paste and then applied to the board), or by jet printing (where the paste