A male may have some (breathing difficulties).Logical formLearned from6 sentences. Firefighters may wear (breathing masks).Logical formLearned from6 sentences. (Breathing tubes) can be plastic.Logical formLearned from6 sentences. (Breathing problems) may hinder a recovery.Logical formLearned from6 sentences. A breathing may be supported by machines.Logical formLearned from6 sentences. (Breathing equipment) may be fly_ined from a world-city.Logical formLearned from6 sentences. A (muscle paralyzer) may stop a breathing.Logical formLearned from6 sentences. Firefighters may wear (breathing equipment).Logical formLearned from6 sentences. (Breathing techniques) may pertain-to a male.Logical formLearned from6 sentences. (Breathing difficulties) may be caused by gas.Logical formLearned from6 sentences. A bit can be constituted-of-or-filled-with (difficulty breathing).Logical formLearned from6 sentences. A recurrence can be constituted-of-or-filled-with (breathing problems).Logical formLearned from6 sentences. (Breathing complications) can be due to a flu.Logical formLearned from6 sentences. A male may have (breathing difficulties).Logical formLearned from6 sentences. A (breathing apparatus) may undergo a use.Logical formLearned from6 sentences.