Collisions of protons may imperil the earth.Logical formLearned from8 sentences. A strategic alliance can be for (carmaker protons).Logical formLearned from8 sentences. A repulsion can be between protons.Logical formLearned from7 sentences. Masses may pertain-to protons.Logical formLearned from7 sentences. A source can be constituted-of-or-filled-with protons.Logical formLearned from7 sentences. A proton may undergo a (spin structure).Logical formLearned from7 sentences. (Proton events) can be energetic.Logical formLearned from7 sentences. Protons may undergo a fusion.Logical formLearned from7 sentences. A proton may have a positive charge.Logical formLearned from7 sentences. Electrons can be on protons.Logical formLearned from7 sentences. Protons may pass through a membrane.Logical formLearned from7 sentences. Constituents may pertain-to a proton.Logical formLearned from7 sentences. A pulse can be constituted-of-or-filled-with protons.Logical formLearned from7 sentences. Electrons can be from protons.Logical formLearned from7 sentences. Drugs may be knowned as (proton pump inhibitors).Logical formLearned from7 sentences.