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.
Butane Hash Oil (BHO) Butane Hash Oil, commonly referred to as BHO, is a type of cannabis concentrate made using butane as the main solvent. While a number of variables can determine the final consistency of BHO (mostly temperature), people use different names when referring to each of the different consistencies.