In the early 1900s, thousands of boys were employed in glass making industries. Glass making was a dangerous and tough job especially without the current technologies. The process of making glass includes intense heat to melt glass (3133 °F). When the boys are at work, they are exposed to this heat. This could cause eye trouble, lung aliments, heat exhaustion, cut, and burns. Since workers were paid by the piece, they had to work productively for hours without a break. Since furnaces had to be constantly burning, there were night shifts from 5:00 pm to 3:00 am Many factory owners preferred boys under 16 years of age. Children as young as three were put to work. A high number of children also worked as prostitutes. Many children (and adults) worked 16-hour days. As early as 1802 and 1819 Factory Acts were passed to regulate the working hours of workhouse children in factories and cotton mills to 12 hours per day. These acts were largely ineffective and after radical agitation, by for example the "Short Time Committees" in 1831, a Royal Commission recommended in 1833 that children aged 11–18 should work a maximum of 12 hours per day, children aged 9–11 a maximum of eight hours, and children under the age of nine were no longer permitted to work. This act however only applied to the textile industry, and further agitation led to another act in 1847 limiting both adults and children to 10-hour working days. An estimated 1.7 million children under the age of fifteen were employed in American industry by 1900. In 1910, over 2 million children in the same age group were employed in th
United States. This included children who rolled cigarettes, engaged in factory work, worked as bobbin doffers in textile mills, worked in coal mines and were employed in canneries. Lewis Hine's photographs of child labourers in the 1910s powerfully evoked the plight of working children in the American south. Hines took these photographs between 1908 and 1917 as staff photographer for the National Child Labour Committee. Prostitution is the business or practice of providing sexual services to another person in return for payment. The person who receives payment for sexual services is called a prostitute or sex worker, and the person who receives such services is known by a multitude of terms. Prostitution is one of the branches of the sex industry. The legal status of prostitution varies from country to country, from being permissible but unregulated, to a punishable crime or to a regulated profession. Estimates place the annual revenue generated from the global prostitution industry to be over $100 billion. Prostitution is sometimes referred to as "the world's oldest profession". Prostitution occurs in a variety of forms. Brothels are establishments specifically dedicated to prostitution. In escort prostitution, the act may take place at the customer's residence or hotel room (referred to as out-call), or at the escort's residence or in a hotel room rented for the occasion by the escort (called in-call). Another form is street prostitution. Sex tourism refers to travelling, typically from developed to underdeveloped nations, to engage in sexual activity with prostitutes.