so a lot times in these columns, you hear a huge raveling and great pounding noises. that is mostly these weights banging around in the little box channel, the little wooden boxes there. so if you ever wonder why is it so loud, these guys, hanging around. they are tied on there. it is easy to do to take off the tram and replace the court, but it is not something every homeowner wants to get involved anin. it is straight forward if you're ready to do, but a homeowner might have a hard time making it look good. >> take your roller. >> yes, the roller. a lot of times that painted the sash cord, also. the setscrews are tight and lubricated and you can polish them up if you want. this particular one is nickel, you can polish it up and it looks good for 60 years. interior door hardware, i like bicycle lubricants. smoke detectors and heat registers, we have registered here, these things come right off, you can lift them up and make sure they are clean, it is a convenient thing to do and reduces dust. smoke detectors, they say every time your time changes from daylight saving