The phrase "the materials include" is correct and usable in written English.
It is typically used to introduce a list of items that are part of a larger collection or group. For example, "The materials include textbooks, worksheets, and other study aids."
The materials include bare light bulbs, plastic, rubber, police tape.
The materials include granite, alternating pink and white stone and wrought iron.
The materials include transparent tape, Elmer's glue and pencils; the high point is something that looks, from afar, like a fairly large cloud or snow bank, but is not (Smith).
The materials include a teacher guide, teacher PowerPoints, and student workbooks.
Ideal physicochemical properties of the materials include ligand absorption, efficient metal to ligand transfer, and strong luminescence with a relatively long decay time.
The materials include pyroclastic flow debris from Soufrière Hills Volcano, Montserrat, and from Stromboli Volcano, Italy, and lahar deposits from Mount St. Helens.
All the materials, including the parchment-coloured walls, were chosen for their harmonious, muted colours, which echo the light interior.
They said they found about 310 pounds of the materials, including ammonium nitrate.
She noted that Ms. Hoffman is Jewish and that the materials included "biblical references to Judaism, including a reference to death and killing".
The materials, including syringes, bottles and rubber tubes, were found outside a hotel used by athletes during the European track and field championships, which ended Sunday in Goteborg.
The materials included in the units are 90% recyclable, he says, and can store generated power for weeks.
