Monitors may check (gas flows).Logical formLearned from4 sentences. A moment may check a situation.Logical formLearned from4 sentences. Authorities may check into an information.Logical formLearned from4 sentences. Experts may check data.Logical formLearned from4 sentences. A difficulty can be in checking an accounting of activities.Logical formLearned from4 sentences. A (task force) may check on some persons.Logical formLearned from4 sentences. Volunteers may check stocks of blankets.Logical formLearned from4 sentences. A loss of forests may be checked.Logical formLearned from4 sentences. A person may check a rhythm.Logical formLearned from4 sentences. (Certification companies) may check (sanitation standards).Logical formLearned from4 sentences. Police may check (identification cards).Logical formLearned from4 sentences. An inspector may check some planes.Logical formLearned from4 sentences. Divers may check damage to a boat.Logical formLearned from4 sentences. Shoppers may check with stores.Logical formLearned from4 sentences. Police may check a video.Logical formLearned from4 sentences.