Adhesive
An 'adhesive' is a compound that  or bonds two items together. Adhesives may come from either natural or  sources. Some modern adhesives are extremely strong, and are becoming increasingly important in modern construction and industry. Examples of adhesives include tape, glue, and sticky-tac. Some adhesives are for temporary use, like sticky-tac or the adhesive on sticky notes. Others are for more permanent bonding of small items like gluing paper or building large pieces of furniture using construction adhesive.