The yellow calendar in the 1980 s

It is also a daily necessities.

The surname is Nong-there is an old farmer in your family.

There are solar terms-proficient in solar terms.

Please go home during the Spring Festival-gongs and drums are loud when you come.

Send it away at the end of the year-firecrackers explode when you leave.

Step 2: abacus

It is also a daily necessities.

Farmer's friend-your family invited an old farmer.

Careful calculation-proficient in solar terms and soil moisture

Time uses sound-gongs and drums are loud when you come.

The sound of closing time-firecrackers were ringing when you left.

3, radio, radio "weather forecast" program

Radio and broadcasting are also daily necessities.

Farmer's friend-your family invited an old farmer.

Weather forecast program-proficient in solar terms and soil moisture

The sound of opening-gongs and drums are loud.

Door closing-firecrackers were ringing when you left.