Muscle cramps may be brought on by many conditions or activities, such as: 1  Exercising, injury, or overuse of muscles. 2  Pregnancy. Cramps may occur because of decreased amounts of minerals, such as calcium and magnesium, especially in the later months of pregnancy.  Exposure to cold temperatures, especially to cold water.
Butane is a colorless gas with a faint petroleum-like odor. For transportation it may be stenched. It is shipped as a liquefied gas under its vapor pressure. Contact with the liquid can cause frostbite.
Replace your flint on a butane lighter. The flint is the piece of equipment that creates the spark. It's tiny black cylinder about a quarter inch long. To replace the flint, remove the metal surrounding the flame and the spark wheel. You'll have to twist it out of position.