Double-leaf doors were an important part of the structure of old houses in India. These doors were not only important from the security point of view, but they also had cultural and traditional ...

Some tree species display more than one type of leaf structure, while other trees clearly display the same leaf structure throughout. Trees with especially unique leaves include ginkgo ...

The biocomposite prepreg system can also be used for other rolling stock parts, TRB says. The foam core used in the rail door leaf composite structure is produced from 100% recycled consumer plastic.