He greeted, 'Hello〴'

This shape is called a gyrobifastigium.

He is camping in the mountains.

This area was formed under the influence of a lava dome.

He copied the old letter by hand and preserved it.

He spent time copying the old documents by hand.

He is in charge of the movie projection.

How much is the mass of this object?

He lifted the big box with both hands.

He drinks a special beverage every day for his health.