When one is thirsty and feels the need to drink, it is already a sign of dehydration.
Fatigue may also depend on a dehydration condition.
The body has a constant need for water, whether doing sedentary or physical work. Getting used to drinking continuously keeps the body well hydrated and keeps fatigue away.
Poisoning from petroleum derivatives
Petroleum derivatives consist of aliphatic hydrocarbons, which may contain a small amount of aromatic hydrocarbons. Many petroleum derivatives may also contain a small percentage of organic lead. At the time