Palestinian Mohammed Jundeya, 17, poses for a photograph in a car repair garage in Gaza City May 30, 2013. Jundeya left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT PORTRAIT)

Palestinian Ali al-Batniji (R), 18, works in a car repair garage in Gaza City May 30, 2013. Al-Batniji left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY BUSINESS EMPLOYMENT)

The hands of Palestinian Mohammed Jundeya, 17, are seen as he works in a car repair garage in Gaza City May 30, 2013. Jundeya left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT)

Palestinian Ali al-Batniji (R), 18, poses for a photograph in a car repair garage in Gaza City May 30, 2013. Al-Batniji left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT PORTRAIT TPX IMAGES OF THE DAY)

Palestinian Ali al-Batniji (R), 18, is reflected in a mirror as he works in a car repair garage in Gaza City May 30, 2013. Al-Batniji left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT)

Palestinian Shadi Yassin, 17, poses for a photograph in a car repair garage in Gaza City May 30, 2013. Yassin left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners saidowners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT PORTRAIT)

Palestinian Shadi Yassin, 17, works in a car repair garage in Gaza City May 30, 2013. Yassin left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said.
REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT)

Palestinian Tamer Yassin, 17, poses for a photograph in a car repair garage in Gaza City May 30, 2013. Yassin left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said.
REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT PORTRAIT)

Palestinian Tamer Yassin, 17, works in a car repair garage in Gaza City May 30, 2013. Yassin left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said.
REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT)

Palestinian Mohammed Yassin, 18, works in a car repair garage in Gaza City May 30, 2013. Yassin left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT TPX IMAGES OF THE DAY)

Palestinian Abed al-Majeed Reheem, 18, poses for a photograph in a car repair garage in Gaza City May 30, 2013. Reheem left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY BUSINESS EMPLOYMENT PORTRAIT)

Palestinian Abed al-Majeed Reheem, 18, works in a car repair garage in Gaza City May 30, 2013. Reheem left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners saidREUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT TPX IMAGES OF THE DAY)

Palestinian Abed al-Majeed Reheem, 18, works in a car repair garage in Gaza City May 30, 2013. Reheem left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT)

Palestinian Abed al-Majeed Reheem (R), 18, works in a car repair garage in Gaza City May 30, 2013. Reheem left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT)

Palestinian Mohammed Jundeya, 17, works in a car repair garage in Gaza City May 30, 2013. Jundeya left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT)

The hand of Palestinian Mohammed Jundeya, 17, is seen as he works in a car repair garage in Gaza City May 30, 2013. Jundeya left school to work as an apprentice in the garage so that he could support his family's income. Apprentice mechanics earn around $100 per month, garage owners said. REUTERS/Mohammed Salem (GAZA - Tags: TRANSPORT SOCIETY EMPLOYMENT)