Phs can be extracellular.Logical formLearned from11 sentences. Changes can be in (soil ph).Logical formLearned from11 sentences. Soils can be constituted-of-or-filled-with phs.Logical formLearned from11 sentences. A (soil ph) can be high.Logical formLearned from11 sentences. A ph may pertain-to a system.Logical formLearned from11 sentences. A ph can be balanced.Logical formLearned from10 sentences. Increases can be in ph.Logical formLearned from10 sentences. A ph can be measured.Logical formLearned from10 sentences. Phs may undergo a measurement.Logical formLearned from10 sentences. Phs may be commissioned.Logical formLearned from10 sentences. A solution can be with a ph.Logical formLearned from10 sentences. Change can be in ph.Logical formLearned from10 sentences. A ph may pertain-to skin.Logical formLearned from10 sentences. Ph can be paper-microperforated on top.Logical formLearned from10 sentences. A ph can be earned.Logical formLearned from10 sentences.