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Search results for: 'Explain the difference between "hard" and "soft" water and how it is measured.'

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  1. Aluminum Alloy Restrictor Lock Cabinet Latch Locks Child Safety Sliding Window Restrictor
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    Aluminum Alloy Restrictor Lock Cabinet Latch Locks... SKU : 32903848420
    Special Price US$3.92 Regular Price US$4.35
    Out of stock
  2. LPSECURITY Biometric Fingerprint RFID Reader Access Controller with 20pcs keychain tags WG26 500 use
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    LPSECURITY Biometric Fingerprint RFID Reader Acces... SKU : 32759825165
    Special Price US$34.55 Regular Price US$38.39
  3. Xiaomi Mijia 5 pcs/Set Smart Home Kit Gift Box Pack Gateway, Body Sensor, Door & Window Sensor, Smar
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    Xiaomi Mijia 5 pcs/Set Smart Home Kit Gift Box Pac... SKU : 32850825760
    Special Price US$87.57 Regular Price US$97.30
  4. Smart Wall Socket (WS-ZWK1)
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    Smart Wall Socket (WS-ZWK1) SKU : WS-ZWK1
    Special Price US$44.60 Regular Price US$49.55
  5. Smart Socket (WS-SK1B)
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    Smart Socket (WS-SK1B) SKU : WS-SK1B
    Special Price US$29.04 Regular Price US$32.27
  6. Smart Voice Assistant(WS-VA1)
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    Smart Voice Assistant(WS-VA1) SKU : WS-VA1
    Special Price US$191.86 Regular Price US$213.18
  7. Desktop HID Card Reader RFID 125KHZ Reader USB
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    Desktop HID Card Reader RFID 125KHZ Reader USB SKU : HU125HID
    Special Price US$26.13 Regular Price US$29.03
  8. GSM/3G/4G Temp&Humidity Monitoring(S264)
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    GSM/3G/4G Temp&Humidity Monitoring(S264) SKU : S264
    Special Price US$171.98 Regular Price US$191.09
  9. 3.5 Inch Analog-AHD-Network Hybrid CCTV Tester
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    3.5 Inch Analog-AHD-Network Hybrid CCTV Tester SKU : CY-CBT3500
    Special Price US$159.02 Regular Price US$176.69
  10. Mini Luminous Handheld Keyboard Controller
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    Mini Luminous Handheld Keyboard Controller SKU : CY-KBC400
    Special Price US$33.44 Regular Price US$37.16
  11. 2022 58Hz anti-thief system Super effective retail shoplifting prevention system with wider detection eas sensor tag system
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    2022 58Hz anti-thief system Super effective retail... SKU : anti-thief_system_58hz
    Special Price US$846.81 Regular Price US$940.90
  12. Odoo POS Table Management
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    Odoo POS Table Management SKU : vip09
    Special Price US$216.06 Regular Price US$240.07
  13. Escam Snail QD500 onvif indoor outdoor camera p2p hd security camera privacy masking
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    Escam Snail QD500 onvif indoor outdoor camera p2p ... SKU : 32864582829
    Special Price US$53.07 Regular Price US$58.97
    Out of stock
  14. GSM 3G SMS alarm Controller used for GSM Access Control System GSM Gate Opener Automatic monitoring valve control
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    GSM 3G SMS alarm Controller used for GSM Access Co... SKU : S1303
    Special Price US$74.03 Regular Price US$82.25
  15. Indoor 4G spy network camera (SM-NC128FG)
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    Indoor 4G spy network camera (SM-NC128FG) SKU : SM-NC128FG
    Special Price US$226.09 Regular Price US$251.21
  16. Outdoor 4G spy network camera (SM-NC133FG)
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    Outdoor 4G spy network camera (SM-NC133FG) SKU : SM-NC133FG-Black
    Special Price US$267.57 Regular Price US$297.30
  17. Zigbee Door/Window Sensor
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    Zigbee Door/Window Sensor SKU : OJB-MC708-Z
    Special Price US$85.56 Regular Price US$95.07
  18. 220V Input 12V5A entrance guard power supply electric lock power entrance guard system power supply power controller
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    220V Input 12V5A entrance guard power supply elect... SKU : AP220V12V5A
    Special Price US$16.41 Regular Price US$18.24
  19. Zkteco Smart Phone Standard Single Latch European Standard European Door Lock
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    Zkteco Smart Phone Standard Single Latch European ... SKU : 101015000042
    Special Price US$30.48 Regular Price US$33.87
  20. Zkteco Smart Phone Standard Single Latch European Standard European Standard Lock
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    Zkteco Smart Phone Standard Single Latch European ... SKU : 101015000041
    Special Price US$20.18 Regular Price US$22.42
  21. Zkteco Smart Phone Standard Single Latch European Standard Deadbolt Door Lock
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    Zkteco Smart Phone Standard Single Latch European ... SKU : 101015000040
    Special Price US$20.18 Regular Price US$22.42
  22. Nordson Zkteco Smart Phone Standard Single Latch European Standard Deadbolt Lock
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    Nordson Zkteco Smart Phone Standard Single Latch E... SKU : 101015000039
    Special Price US$20.18 Regular Price US$22.42
  23. Nordson Zkteco Smart Phone Standard Single Latch European Standard Smart Phone Lock
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    Nordson Zkteco Smart Phone Standard Single Latch E... SKU : 101015000038
    Special Price US$20.18 Regular Price US$22.42
  24. Zkteco Smart Phone Standard Single Latch European Standard RFID Card Lock
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    Zkteco Smart Phone Standard Single Latch European ... SKU : 101015000037
    Special Price US$20.18 Regular Price US$22.42
  25. Zkteco Smart Phone Standard Single Latch European Standard Card Lock
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    Zkteco Smart Phone Standard Single Latch European ... SKU : NORDS_DL30B
    Special Price US$14.22 Regular Price US$15.80
  26. Zkteco Smart Phone Standard Single Latch European Standard Keypad Door Lock
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    Zkteco Smart Phone Standard Single Latch European ... SKU : NORDS_Dl30b_01
    Special Price US$26.71 Regular Price US$29.68
  27. Zkteco Smart Phone Standard Single Latch European Standard Keypad Digital Lock Door Lock
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    Zkteco Smart Phone Standard Single Latch European ... SKU : NORDS_Dl30b_02
    Special Price US$34.55 Regular Price US$38.39
  28. RFID Hidden Drawer Lock Furniture Desk Cabinet Locker Lock Safety Smart Home Door Cupboard Childproo
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    RFID Hidden Drawer Lock Furniture Desk Cabinet Loc... SKU : 32860482613
    Special Price US$6.68 Regular Price US$7.42
  29. Mini Portable Flashlight USB Rechargeable COB LED Flashlight Emergency Lamp Keychain Backpacking Cam
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    Mini Portable Flashlight USB Rechargeable COB LED ... SKU : 32899816066
    Special Price US$0.65 Regular Price US$0.73
    Out of stock
  30. 2 Pcs/Set Wall Mounted Security Swivel Bracket Stand for CCTV Camera Surveillance Device QJY99
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    2 Pcs/Set Wall Mounted Security Swivel Bracket Sta... SKU : 32972226659
    Special Price US$1.89 Regular Price US$2.10
    Out of stock
  31. 3pcs 90 degree Metal Wall Mount Rotating Ceiling Bracket Stand Holder For CCTV Surveillance Security
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    3pcs 90 degree Metal Wall Mount Rotating Ceiling B... SKU : 32944132580
    Special Price US$0.72 Regular Price US$0.80
  32. Universal 100 Pcs 12x200mm Black Reusable Nylon Cables Wire Organiser Black Cable Ties Wrap Tidy Str
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    Universal 100 Pcs 12x200mm Black Reusable Nylon Ca... SKU : 32955296931
    Special Price US$2.03 Regular Price US$2.26
    Out of stock
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