Glass is fragile. It can easily be broken.
Steel is tough. It cannot easily be broken.
Glass is transparent. You can see through it.
Paper is flexible. It can easily be bent.
Wood is rigid. It cannot be easily bent.
Choose the correct answers to complete the sentences below.
1) A window must be
and
.
2) A cable should be
and
.
3) Do not drop the monitor, it is
.
4) A monitor stand should be
.
