-
Design of a mechanical painting book for the Xinda
-
The cover of the mechanical drawing book
-
"The Little Machine Makes a Difference" story, pt
-
Pointers and English on the mechanical table
-
The pointer on the mechanical table
-
The gear machine
-
The Toon Machine Bird
-
The winch machine
-
The clock pointer and the gear
-
The Toon Machine Bird
-
The machine that makes dumplings
-
A large machine to lay the roads
-
The clocks are mechanical gears
-
Tools in the toolbox
-
Maintenance tool in the toolbox
-
The silver-white machine
-
Some parts of the machine
-
The side of the old black machine typewriter
-
Portrait of the plant and equipment piping
-
The gear with the hairline
-
A close-up for the gear
-
A mechanical worker in the middle of the day
-
The card in the hand of the machine
-
The light bulb in the machine's hand
-
The black phone in the machine's hand
-
The lab bottle in the hand of the machine
-
The card in the hand of the machine
-
The light bulb in the machine's hand
-
The black phone in the machine's hand
-
The lab bottle in the hand of the machine
-
It's a mechanical painting book cover
