[на 100% верно] Объедините два предложения в одно с простой формой причастия I согласно модели. A digital TV set hangs on the wall. It looks like a picture.

Объедините два предложения в одно с простой формой причастия I согласно модели.

Model:

The engineers designed a new device. They have to solve a few problems.

The engineers have to solve a few problems (while/when) designing a new device.

A digital TV set hangs on the wall. It looks like a picture.

A ....  like a picture when ...  on the wall.