기술 기호
- Alarm Clock U+23F0
- Stopwatch U+23F1
- Timer Clock U+23F2
- Hourglass With Flowing Sand U+23F3
- Black Medium Left-Pointing Triangle U+23F4
- Black Medium Right-Pointing Triangle U+23F5
- Black Medium Up-Pointing Triangle U+23F6
- Black Medium Down-Pointing Triangle U+23F7
- Double Vertical Bar U+23F8
- Black Square For Stop U+23F9
- Black Circle For Record U+23FA
- Power Symbol U+23FB
- Power On-Off Symbol U+23FC
- Power On Symbol U+23FD
- Power Sleep Symbol U+23FE
- Observer Eye Symbol U+23FF
- Symbol For Null U+2400
- Symbol For Start Of Heading U+2401
- Symbol For Start Of Text U+2402
- Symbol For End Of Text U+2403
- Symbol For End Of Transmission U+2404
- Symbol For Enquiry U+2405
- Symbol For Acknowledge U+2406
- Symbol For Bell U+2407
- Symbol For Backspace U+2408
- Symbol For Horizontal Tabulation U+2409
- Symbol For Line Feed U+240A
- Symbol For Vertical Tabulation U+240B
- Symbol For Form Feed U+240C
- Symbol For Carriage Return U+240D
- Symbol For Shift Out U+240E
- Symbol For Shift In U+240F
- Symbol For Data Link Escape U+2410
- Symbol For Device Control One U+2411
- Symbol For Device Control Two U+2412
- Symbol For Device Control Three U+2413
- Symbol For Device Control Four U+2414
- Symbol For Negative Acknowledge U+2415
- Symbol For Synchronous Idle U+2416
- Symbol For End Of Transmission Block U+2417
- Symbol For Cancel U+2418
- Symbol For End Of Medium U+2419
- Symbol For Substitute U+241A
- Symbol For Escape U+241B
- Symbol For File Separator U+241C
- Symbol For Group Separator U+241D
- Symbol For Record Separator U+241E
- Symbol For Unit Separator U+241F
- Symbol For Space U+2420
- Symbol For Delete U+2421
- Blank Symbol U+2422
- Open Box U+2423
- Symbol For Newline U+2424
- Symbol For Delete Form Two U+2425
- Symbol For Substitute Form Two U+2426