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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. RFID Guard Tour Patrol System Torch IP67 Waterproof USB Rugged Free Software
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    RFID Guard Tour Patrol System Torch IP67 Waterproo... SKU : AP100LBR
    Special Price US$69.14 Regular Price US$76.82
  2. Professional Freelancer Provide IT and Technical Support to Companies (Hour Rate)
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    Professional Freelancer Provide IT and Technical S... SKU : ITSUPPORT
    Special Price US$14.52 Regular Price US$16.13
  3. RFID Combo Thick Card 860-960MHz ISO 18000-6C + 13.56MHz ISO 15693 Dual Frequency Combo Card
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    RFID Combo Thick Card 860-960MHz ISO 18000-6C + 13... SKU : UHFCOMBOTHICK
    Special Price US$0.72 Regular Price US$0.80
  4. RFID Combo Thin Card 860-960MHz ISO 18000-6C + 13.56MHz ISO 14443A Dual Frequency Combo Card
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    RFID Combo Thin Card 860-960MHz ISO 18000-6C + 13.... SKU : UHFCOMBOTHIN
    Special Price US$0.72 Regular Price US$0.80 As low as US$0.05
  5. RFID 134.2KHz module FDX-B FDXB ISO 11784 with external coil antenna and sample tags
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    RFID 134.2KHz module FDX-B FDXB ISO 11784 with ext... SKU : UHF11784ANT1
    Special Price US$17.42 Regular Price US$19.35
  6. 2016 New DC12V LED Amber Car Truck Magnetic Mounted Vehicle Emergency Beacon Emergency Strobe Flashi
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    2016 New DC12V LED Amber Car Truck Magnetic Mounte... SKU : 32710813046
    Special Price US$4.35 Regular Price US$4.84
    Out of stock
  7. Large LCD thermometer hygrometer humidity temperature meter clock snooze alarm with sensor trend dis
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    Large LCD thermometer hygrometer humidity temperat... SKU : 32958527709
    Special Price US$22.93 Regular Price US$25.48
    Out of stock
  8. RFID UHF USB desktop Reader and Writer 902～928MHz/865～868MHz 18000-6C with English SDK demo software user manual
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    RFID UHF USB desktop Reader and Writer 902～928MH... SKU : JRD1902
    Special Price US$21.77 Regular Price US$24.19
  9. ISO18000 6C EPC Gen2 Vehicle Windshield UHF RFID tag for Car Parking (pack of 10)
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    ISO18000 6C EPC Gen2 Vehicle Windshield UHF RFID t... SKU : 32322398053
    Special Price US$0.44 Regular Price US$0.48
    Out of stock
  10. Monitoring Humidity Temperature Controller Sensor Timer Thermostat Wifi Smart Switch Hot
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    Monitoring Humidity Temperature Controller Sensor ... SKU : 32924004099
    Special Price US$20.90 Regular Price US$23.22
  11. 100pcs NFC TAG Sticker 13.56MHz ISO14443A NTAG 213 NFC Sticker Universal Lable RFID Tag for all NFC
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    100pcs NFC TAG Sticker 13.56MHz ISO14443A NTAG 213... SKU : NT213STICKER
    Special Price US$8.71 Regular Price US$9.68
  12. F433 Circuit Breaker Surge Protector Waterproof Flush-Mount Switchable With Manual Reset for Car
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    F433 Circuit Breaker Surge Protector Waterproof Fl... SKU : 32952847650
    Special Price US$5.23 Regular Price US$5.81
  13. NFC NTAG215 Chip ISO14443A NFC Card RFID Tag for All NFC Mobile Phone 100pcs
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    NFC NTAG215 Chip ISO14443A NFC Card RFID Tag for A... SKU : 32817195866
    Special Price US$21.77 Regular Price US$24.19
    Out of stock
  14. Hot Thermometer Humidity Monitor Alarm Timer Digital Mall Hygrometer Temperature Gauge Meter Sensor
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    Hot Thermometer Humidity Monitor Alarm Timer Digit... SKU : 32958961706
    Special Price US$7.26 Regular Price US$8.06
  15. Solar Lights Motion Sensor Wall Light Adjustable Angle IP65 Waterproof Outdoor Garden Street Lamp Ni
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    Solar Lights Motion Sensor Wall Light Adjustable A... SKU : 32966611919
    Special Price US$18.29 Regular Price US$20.32
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  16. RFID UHF 860-960 On-metal Adhesive Soft Tag Anti-interference Material 52x13mm
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    RFID UHF 860-960 On-metal Adhesive Soft Tag Anti-i... SKU : ONMETAL52x13
    Special Price US$0.44 Regular Price US$0.48 As low as US$0.11
  17. Chainho,1Yard/Lot,Nylon Soft Magic Tape,Hook&Loop Fastener,For Garments/Wrist Harness/Computer&Earph
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    Chainho,1Yard/Lot,Nylon Soft Magic Tape,Hook&L... SKU : 32892196656
    Special Price US$0.22 Regular Price US$0.24
  18. Chainho,13Yard/Lot,Nylon Soft Magic Tape,Hook&Loop Fastener,For Garments/Wrist Harness/Computer&Earp
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    Chainho,13Yard/Lot,Nylon Soft Magic Tape,Hook&... SKU : 32891647046
    Special Price US$0.22 Regular Price US$0.24
    Out of stock
  19. Creative Digital LED Alarm Clock Student Large LCD Monitor Modern Design Cube Clock Light Sensor Nig
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    Creative Digital LED Alarm Clock Student Large LCD... SKU : 32910191415
    Special Price US$3.47 Regular Price US$3.85
  20. 22 LED Solar Lamp Solar Light High Power Outdoor Waterproof Street Light PIR Motion Sensor Security
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    22 LED Solar Lamp Solar Light High Power Outdoor W... SKU : 32899253836
    Special Price US$7.11 Regular Price US$7.91
    Out of stock
  21. 3W LED Wall Light Sconce Outdoor Lamp Fixture Waterproof Building Exterior Gate Balcony Garden Yard
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    3W LED Wall Light Sconce Outdoor Lamp Fixture Wate... SKU : 32899904548
    Special Price US$3.27 Regular Price US$3.63
  22. 10LED Solar Wall Light PIR Motion Sensor Lamps Waterproof Infrared Sensor Outdoor Garden Decoration
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    10LED Solar Wall Light PIR Motion Sensor Lamps Wat... SKU : 32963217919
    Special Price US$12.83 Regular Price US$14.26
    Out of stock
  23. Waterproof Fingerprint Lock Digital Electronic Door Lock in 304 Stainless steel for Aluminum Glass
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    Waterproof Fingerprint Lock Digital Electronic Do... SKU : 32894463812
    Special Price US$188.55 Regular Price US$209.50
  24. Waterproof 2 LED 7 Colors Solar Wall Lamp Garden Path Courtyard Fence Light
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    Waterproof 2 LED 7 Colors Solar Wall Lamp Garden P... SKU : 32968256813
    Special Price US$10.60 Regular Price US$11.78
    Out of stock
  25. Upgraded 48 leds Solar Light Color Adjustable With Controller Three Modes Waterproof Lamp Lights For
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    Upgraded 48 leds Solar Light Color Adjustable With... SKU : 32968086529
    Special Price US$13.21 Regular Price US$14.68
    Out of stock
  26. USB Rechargeable Motion Sensor LED Head Lamp Waterproof 5 Modes Fishing Camping Headlight Flashlight
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    USB Rechargeable Motion Sensor LED Head Lamp Water... SKU : 32967350064
    Special Price US$8.27 Regular Price US$9.19
    Out of stock
  27. RFID UHF 860-960 MHz Mid-range 5M Reader Writer EPC 96-bit RS232/Wiegand/TCPIP/WIFI
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    RFID UHF 860-960 MHz Mid-range 5M Reader Writer EP... SKU : HY101
    Special Price US$79.84 Regular Price US$88.71
  28. 56 LED Solar Light Waterproof PIR Motion Sensor Wall Lamp Outdoor Garden Parks Security Emergency St
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    56 LED Solar Light Waterproof PIR Motion Sensor Wa... SKU : 32949592539
    Special Price US$8.42 Regular Price US$9.36
    Out of stock
  29. 54 LED Remote Control Outdoor Solar Wall Light PIR Motion Sensor Solar Lamp Waterproof Infrared Sens
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    54 LED Remote Control Outdoor Solar Wall Light PIR... SKU : 32948685712
    Special Price US$20.68 Regular Price US$22.98
    Out of stock
  30. 6 LED Waterproof Solar Warning Light Sound Alarm Lamp Sensor Garden Lamp
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    6 LED Waterproof Solar Warning Light Sound Alarm L... SKU : 32970839935
    Special Price US$6.53 Regular Price US$7.26
    Out of stock
  31. Outdoor Portable LED Work Light Waterproof Emergency USB Rechargeable Lamp Searchlight Vehicle Maint
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    Outdoor Portable LED Work Light Waterproof Emergen... SKU : 32913253264
    Special Price US$7.11 Regular Price US$7.91
    Out of stock
  32. DIY voice recorder outdoor PIR motion sensor waterproof infrared detector 433mhz wireless OEM IP65 w
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    DIY voice recorder outdoor PIR motion sensor water... SKU : SF-83REC
    Special Price US$22.50 Regular Price US$25.00
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