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  1. Replies
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    I get the general idea that routing against...

    I get the general idea that routing against something that is rotating (or just moving quickly) can affect the speed of a router, but I don't understand the details. Are you saying that the moving...
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    I think most modern smart phones can use voice...

    I think most modern smart phones can use voice recognition technology to allow people to compose text messages. Without composing a text message, try talking aloud about some topic such as "hose...
  3. Not as old as these secrets:...

    Not as old as these secrets: https://www.cia.gov/news-information/blog/2016/cias-oldest-classified-docs.html
  4. Terminology for a PVC to tubing connector?

    What's the terminology for a fitting that connects 1/2 inch PVC pipe to plastic tubing?
    I saw such a fitting in a YouTube video. The end that fits into the PVC pipe is threaded, which isn't obvious...
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    If I took 20 minutes to look through a magazine,...

    If I took 20 minutes to look through a magazine, I'd continue my subscription. I discontinued magazines after they began to pile up unread. They were physical evidence of neglected resources and...
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    Belt terminology "A" vs "L"

    The PDF https://www.regalpts.com/PowerTransmissionSolutions/Other/Belt%20Drive%20Monthly%27s/Form_9806E.pdf says a drive belt with a top width of 1/2" and depth of 5/16" could be named with an "A"...
  7. Plastic electrical boxes - how are wires clamped?

    Plastic electrical boxes that hold 1 electrical receptacle have rectangular "knock-outs" in them, so the circular types of wire clamps used to clamp wires into metal boxes can't be used. Are the...
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    Do your executor a big favor and don't obligate...

    Do your executor a big favor and don't obligate him or her to deal with a lot of material objects in particular ways.
  9. PVC sewer lines - where does the slope come from?

    The recommended slope for the horizontal run of sewer line is a miniumum of 1/4 inch per foot. When you look at diagrams of plumbing, you see vertical pipes meeting horizontal pipes with fittings...
  10. Perhaps the purpose of the little "wing" on the...

    Perhaps the purpose of the little "wing" on the torque wrench shaft is to be a primitive handle that lets you use the wrench to untighten the band clamps on Fernco couplers.

    On another forum,...
  11. Yes, I've been using them in replacing a section...

    Yes, I've been using them in replacing a section of 4 inch cast iron sewer line with PVC. The replacement line has too little slope since it had to go between two given points in the old line and...
  12. The (plain) 4 inch couplings do have that dam or...

    The (plain) 4 inch couplings do have that dam or ridge in the middle. The "repair" coupling does not. I've examined the repair coupling in the store, but never installed one.
  13. 4 inch repair coupling - will it slide completely over a pipe?

    How is a "repair couping" such as ihttps://www.homedepot.com/p/Charlotte-Pipe-4-in-PVC-DWV-Repair-Coupling-PVC001301200HD/203393309 installed? If a new pipe is being inserted between two old pipes,...
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    Strange real estate deals

    Hatch NM, a rural NM village, population about 1,700. Yet look up 725 Uvas Springs Rd, Hatch NM on your favorite real estate website.
  15. In the plumbing repair tunnels in the link I...

    In the plumbing repair tunnels in the link I gave, the dirt removed did offer structural support. The tunnels have no shoring to hold the sides in place. If the tunnel wasn't filled, the slab might...
  16. Are rubber sewer pipe connectors likely to be damaged by plumber's drain snakes?

    Are the thick rubber connectors for sewer pipes (e.g. Fernco's) likely to be damaged when plumbers snake a drain?
  17. If tunnels this extensive...

    If tunnels this extensive
    http://www.masterfixplumbing.com/project/tunnel-under-slab-replacing-cast-iron-pipe-for-pvc-pipe/
    are filled with flowable fill then what happens if a repair to...
  18. How are tunnels under slabs backfilled?

    There are plumbing companies that advocate tunneling under the concrete slabs of houses to replace pipes rather than jackhammering them from the top. How do these companies backfill their tunnels...
  19. Are there laminate floors that are quiet?

    The laminate floors in houses that I have seen are also easily heard. Walking on them or dropping something on them makes a lot of noise. Are there types of laminate floors that are as quiet as...
  20. Patching tarpaper on a roof - do sides of patch go over or under?

    I need to repair the big hole in a shingled roof that was left when an evaporative cooler was removed. The hole in the wood has been closed with boards. Next I need to patch the hole in the tar...
  21. How much old drywall to tear out when adding a room?

    I need to add a small room to an existing dinning room. The new room will be closet to hold a furnace. Where the two walls of the closet meet an existing wall, there are the following...
  22. Your other recommendations are clear, but In my...

    Your other recommendations are clear, but In my case, the slab is only 4 to 5 inches thick and drilling into it to insert rebar will weaken or break up the old slab.
  23. Stability of once jackhammered slabs?

    How stable (generally speaking) are floor slabs that have been jackhammered up to replace sewer lines and then repaired? Is it best not to re-do the floor with ceramic tile and instead pick a...
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    Is the membrane usually set on "sand pack". ...

    Is the membrane usually set on "sand pack". These videos show the membrane set on sand pack.

    https://www.youtube.com/watch?v=1vNapRUC5Sw
    https://www.youtube.com/watch?v=9vBwwsSTCXM
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    Why sand pack for showers?

    From the internet, I gather that the floors of showers are generally constructed over a base of "sand pack". Why is this material used instead of an ordinary concrete mix?

    (Of course, from the...
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