<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.lakini kuchimba mafuta pia ni shida ya kiafya, haswa huko los angeles, ambapo maelfu ya visima vya mafuta bado vinapatikana jijini.  <response>: oil wells and oil drilling is also a health problem, particularly in los angeles, where thousands of oil wells still dot the city. 