Weaning Your Baby Onto Solids. The term 'to wean' comes from an ancient phrase that means 'to accustom to'. So weaning refers to the period during which an infant gradually becomes accustomed to food other than milk (breast or formula). Up until 6 months of age, breast or formula milk alone is nutritionally adequate.
Occasional airplane vibration during flight is not unusual. There are many causes of airplane vibration, including landing gear extension and retraction, extension of speed brakes, free play in movable surfaces, and systems malfunctions.
Each end of the cable goes down below the flight deck to what are called arresting gear engines. These arenât engines like you think of in a vehicle, these are engines in that theyâre machines. Anyway, these are very long hydraulic braking systems that slow the airplane down. Each cable of course has two of these, one for each end of the cable.