A milestone can be in (widget development).Logical formLearned from3 sentences. A milestone may be built of windows.Logical formLearned from3 sentences. A movie can be a milestone.Logical formLearned from3 sentences. Mankind may undergo (engineering milestones).Logical formLearned from3 sentences. (Space scientists) may achieve a milestone.Logical formLearned from3 sentences. Blueprint can be a milestone.Logical formLearned from3 sentences. A milestone can be with an installation.Logical formLearned from3 sentences. A milestone can be in progress of an (exploration effort).Logical formLearned from3 sentences. A (milestone birthday) may pertain-to a male.Logical formLearned from3 sentences. A milestone can be in achievement.Logical formLearned from3 sentences. A person may think of milestones.Logical formLearned from3 sentences. Milestones may pertain-to children.Logical formLearned from3 sentences. A male may have some milestones.Logical formLearned from3 sentences. Some milestone can be constituted-of-or-filled-with (cooling capacity).Logical formLearned from3 sentences. An achievement of first light can be a milestone.Logical formLearned from3 sentences.