are found on steep roofs (slope of more than 2 in 12). Rafters are typically 2 by 4's, 2 by 6's, 2 by 8's or 2 by 10s. The rafters support the sheathing and typically run from the roof peak down to the eaves. The rafters carry the dead load of the sheathing and roofing material, and the live loads above. Rafters may also carry the ceiling loads below on cathedral ceilings.
Camphor spirit is a solution of alcohol and camphor, a strong-smelling compound found in a specific species of native Asian trees. Camphor spirit -- also known as spirit of camphor -- is used by many alternative medicine practitioners to treat a number of ailments, internally and externally.owever, the use of camphor spirit may be linked to a number of side effects and should not be used without a doctor's consent by people with certain medical conditions. Spirit of camphor is not approved by health care professionals as a scientifically viable treatment for any medical condition.
From Wikipedia, the free encyclopedia. Mineral Spirits is a petroleum distilate commonly used as a paint thinner and mild solvent. In Europe, it is referred to as petroleum spirit or white spirit.In industry, mineral spirits is used for cleaning and degreasing machine tools and parts.According to Wesco, a supplier of solvents and cleaning equipment, mineral spirits are especially effective in removing oils, greases, carbon, and other material from metal..n industry, mineral spirits is used for cleaning and degreasing machine tools and parts. According to Wesco, a supplier of solvents and cleaning equipment, mineral spirits are especially effective in removing oils, greases, carbon, and other material from metal..