1 During charging, lead acid batteries produce hydrogen and oxygen gases (highly flammable/explosive) as electrolysis occurs.  Many lead acid explosions are believed to occur when electrolytes are below the plates in the battery and thus, allowing space for hydrogen/oxygen to accumulate.
Under the accrual method, employees will earn at least one hour of paid leave for every 30 hours worked. That works out to a little more than eight days a year for someone who works full time. But employers can limit the amount of paid sick leave you can take in one year to 24 hours (three days).
Sick leave. Sick leave (or paid sick days or sick pay) is time off from work that workers can use to stay home to address their health and safety needs without losing pay. Paid sick leave is a statutory requirement in many nations. Most European, many Latin American, a few African and a few Asian countries have legal requirements for paid sick leave.