Поставьте the verbs in Passive Voice.
a well-known,needs,to have,know,to transfer,keep,guard,may cause,may be,supported,may support,there are,includes,includes,use.

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вопрос

A well-known solution needs to be found.Knowledge on how to transfer should be kept.The guard needs to be on duty to prevent any accidents.Possible dangers may cause harm if not dealt with properly.Various factors may be supported by the research findings.The new system may support multiple users at once.There are several components included in the package.The manual includes instructions on how to use the software.