Hilt alongside his blade typology. Oakeshott pommel types are enumerated with capital letters A–Z, with subtypes indicated by numerals. The grip is the handle of the sword. It was usually of wood or metal, and often covered with shagreen (untanned tough leather or shark skin). Shark skin proved to be the most durable in temperate climates but deteriorated in hot climates, and consequently rubber became popular in the latter half of the 19th century. Alternatively, many sword types opt for ray skin instead, referred to in katana construction as the "same". Whatever material covered the grip, it was usually both glued
Tanning (leather) boil off the water to produce glue. A tannery may be associated with a grindery, originally a whetstone facility for sharpening knives and other sharp tools, but later could carry shoemakers' tools and materials for sale. There are several solid and waste water treatment methodologies currently researched on, such as anaerobic digestion of solid wastes and wastewater sludge. Tanning (leather) Tanning is the process of treating skins and hides of animals to produce leather. A tannery is the place where the skins are processed. Tanning hide into leather involves a process which permanently alters the protein structure of skin, making