Propolis while also collecting water and tree resin necessary for the production of propolis. The chemical composition and nature of propolis depend on environmental conditions and harvested resources. For centuries, beekeepers assumed that bees sealed the beehive with propolis to protect the colony from the elements, such as rain and cold winter drafts. However, 20th century research revealed that bees not only survive, but also thrive, with increased ventilation during the winter months throughout most temperate regions of the world. Propolis properties may include: The composition of propolis varies from hive to hive, from district to district, and from season to
Gorilla Glue only to furniture manufacturers. The company began selling Gorilla Glue to consumers in 1999. The company was purchased by Lutz Tool Company which later changed its name to The Gorilla Glue Company. The company is privately owned by the Ragland family. In late 2016, the company relocated from its Cincinnati location on Red Bank Road to its current location in Sharonville, a suburb of Cincinnati. "Original" Gorilla Glue works on wood, stone, foam, metal, ceramic, glass and other materials. It expands slightly while drying, sometimes enough to cause "squeeze-out", which foams up in air. The original is also available in