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.
Storage Difference Between Butane & Propane. Butane and propane consist of gases used as fuel to produce heat. Propane tanks commonly fuel barbecue grills, small stoves, engines and torches, while butane sees practical uses for handheld lighters, lanterns and mini craft torches.