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02/19/2026 10:53 AM Pilot With No Arms by steve45 ; posted in General Discussion	Last post: 02/27/2026 9:05 PM by Rixter	5	205
02/24/2026 1:16 AM Advantages of Double Offset Butterfly Valves in High Pressure Industrial Applications by mncvalves ; posted in Manufacturing	Last post: 02/26/2026 8:05 PM by roadapple	1	77
02/26/2026 12:43 AM How Do I Set Up Phased Electricity Pricing? by powermeter ; posted in Electrical Engineering	Last post: 02/26/2026 4:58 PM by Brave Sir Robin	1	91
08/19/2008 7:51 PM What's Behind Door Number Three? by Anonymous Poster ; posted in General Discussion	Last post: 02/26/2026 12:00 PM by Codemaster	22	424
02/22/2026 11:14 AM Is the Electron Made of Folded Light (Gamma Rays)? by Rixter ; posted in General Discussion	Last post: 02/25/2026 5:10 PM by Haymaker	4	187
02/24/2026 9:31 AM Two Ground Wires in One Terminal - Within a Light Fixture by Selk ; posted in Electrical Engineering	Last post: 02/25/2026 7:12 AM by vsar	2	159
07/19/2020 7:29 PM 670 nm Light Source by HiTekRedNek ; posted in General Discussion	Last post: 02/24/2026 2:39 PM by Karen3	43	953
01/24/2026 6:55 AM A Log Jam Unstick Trick by hitekrednek2 ; posted in General Discussion	Last post: 02/23/2026 4:32 AM by Stef	3	326
02/19/2026 10:47 AM Does a VFD Driven Motor Require Separate Motor Protection Relay? by Anonymous Poster ; posted in Electrical Engineering	Last post: 02/20/2026 6:05 AM by Stef	2	76
02/13/2026 3:47 AM Auto Unload Push Button for Generator Breaker Panel by Anonymous Poster ; posted in Electrical Engineering	Last post: 02/17/2026 2:36 PM by Brave Sir Robin	3	89
02/11/2026 11:06 PM Twisted Pair Communication Wire by gutmonarch ; posted in Electrical Engineering	Last post: 02/17/2026 2:31 PM by Brave Sir Robin	2	134
02/04/2026 2:15 AM Material Request by Dennis81 ; posted in Electrical Engineering	Last post: 02/16/2026 10:08 AM by redfred	6	102
10/12/2008 4:17 PM Single phasing of squirrel cage induction motor by Substation 15 ; posted in Electrical Engineering	Last post: 02/16/2026 6:19 AM by truth is not a compromise	10	313
01/06/2026 9:52 PM Two Voltages Combined in a Distribution Board by Anonymous Poster ; posted in Electrical Engineering	Last post: 02/16/2026 4:38 AM by Hameleon	4	248
09/25/2013 2:18 AM Sheet Metal - Which One is for Me? by Shoaib Yasin ; posted in Chemical & Material Science	Last post: 02/15/2026 8:09 AM by not so smart	25	472
12/12/2007 6:12 AM Operation of Phase Failure Relay by Asitha ; posted in Electrical Engineering	Last post: 02/14/2026 4:59 AM by Stef	5	370
02/13/2026 6:29 AM Hitache EC Series Software by Anonymous Poster ; posted in Electrical Engineering	Last post: 02/13/2026 6:29 AM by Anonymous Poster	0	29
01/15/2026 5:06 PM Hearing Aid — Advice by Koos03 ; posted in CR4 Feedback	Last post: 02/12/2026 1:04 PM by Deefburger	23	970
11/25/2010 7:59 AM EARTH BAG HOMES by Common cents ; posted in General Discussion	Last post: 02/11/2026 12:28 PM by PWSlack	25	257
11/24/2010 8:10 AM Accurate Measurement of a Solder Iron Tip? by kfitch7275 ; posted in General Discussion	Last post: 02/11/2026 12:25 PM by Anonymous Poster	16	1112
11/24/2010 7:09 AM Retain Water by Johan Reji ; posted in General Discussion	Last post: 02/11/2026 12:21 PM by PWSlack	6	197
10/15/2025 11:25 PM How to Remove Boron from Drilling Water Using Electrodialysis by Bonatech ; posted in General Discussion	Last post: 02/11/2026 12:14 PM by PWSlack	2	65
01/10/2026 1:57 PM How Deep is a Black Hole? by hitekrednek2 ; posted in General Discussion	Last post: 02/11/2026 12:08 PM by PWSlack	14	441
02/05/2026 9:56 AM ABB- VD4 Circuit Breaker - Closing Circuit Explanation by Anonymous Poster ; posted in Electrical Engineering	Last post: 02/11/2026 11:39 AM by Anonymous Poster	2	104
11/05/2025 11:36 AM Analysis Paralysis by Doorman ; posted in General Discussion	Last post: 02/10/2026 6:15 PM by phoenix911	11	267
02/07/2026 8:49 AM Small Transformers Earth Fault Protection by Selk ; posted in Electrical Engineering	Last post: 02/09/2026 12:59 PM by rwilliams	5	111
02/09/2026 2:19 AM Best Practices for Industrial Filtration to Reduce Equipment Wear and Downtime by brotherfiltration ; posted in Manufacturing	Last post: 02/09/2026 2:19 AM by brotherfiltration	0	61
02/04/2026 4:16 AM Lost Contact with CR4 for Years! by jesw55 ; posted in CR4 Feedback	Last post: 02/04/2026 9:16 PM by Vulcan	4	74
01/28/2026 2:52 PM Failure of ACO1 Aerovox Capacitor Model # Z26S4456MT5B1 by Anonymous Poster ; posted in Electrical Engineering	Last post: 02/03/2026 11:33 PM by Deefburger	8	267
10/01/2008 11:57 PM GEC Alsthom Alternator by domnicdsilva ; posted in Electrical Engineering	Last post: 02/03/2026 3:25 PM by Doorman	12	511
05/18/2018 3:20 PM Statistics Aid by Dr. Harry ; posted in General Discussion	Last post: 02/02/2026 2:53 PM by phoenix911	7	164
05/31/2020 3:16 AM Mail Charges in USA by Stef ; posted in General Discussion	Last post: 02/02/2026 7:00 AM by lyn	21	322
11/12/2018 3:19 AM Street/Sidewalk Bulbouts by Skeeter ; posted in Transportation	Last post: 02/02/2026 4:27 AM by Nigh	28	1351
08/21/2013 8:37 PM Egypt Map from 1960 by HiTekRedNek ; posted in General Discussion	Last post: 01/31/2026 6:04 PM by Anonymous Poster	10	1419
01/27/2026 5:26 AM Ensuring Data Accuracy and Integrity for Microsoft MB-820 Exam by jamesthomas ; posted in Engineering Careers	Last post: 01/27/2026 5:26 AM by jamesthomas	0	89
11/11/2006 3:10 AM Capstan Drums need Help by Anonymous Poster ; posted in Mechanical Engineering	Last post: 01/26/2026 11:13 AM by SabriM	7	1039
05/08/2007 2:35 AM Installing a Ball Valve Downstream from a Safety Valve by Heita ; posted in Chemical & Material Science	Last post: 01/26/2026 6:01 AM by tiamhd99	14	1774
01/20/2026 10:43 AM Re-Crimping Electrical Terminals by 69-er ; posted in General Discussion	Last post: 01/24/2026 7:19 PM by Stef	17	290
05/19/2007 4:34 AM SS 304 limpet coil failure by sangeetadixit ; posted in Chemical & Material Science	Last post: 01/21/2026 11:18 PM by sseindiacom	7	715
05/29/2009 2:12 PM Crush-Type Seal for Tapered Pipe Threads? by Out of Box Experience ; posted in Mechanical Engineering	Last post: 01/16/2026 1:08 AM by nero	7	437
01/13/2026 6:54 AM What Are the Different Types of Hydraulic Cylinders Used in Manufacturing? by dynamichydrofabindia ; posted in Manufacturing	Last post: 01/14/2026 11:41 PM by Brave Sir Robin	1	186
04/27/2022 3:53 AM The Duralast Battery Problem by kynix ; posted in General Discussion	Last post: 01/14/2026 10:07 AM by Koos03	6	298
10/02/2018 12:29 PM Shumacher Battery Charger Schematic by HiTekRedNek ; posted in General Discussion	Last post: 01/12/2026 10:57 AM by vsar	11	4305
12/23/2025 9:53 AM Anti-static Space Suits by HiTekRedNek ; posted in General Discussion	Last post: 01/10/2026 2:52 PM by Doorman	7	234
12/31/2025 3:44 AM How to Choose Cutting Underlay for Zund by rizhibelt ; posted in Manufacturing	Last post: 01/10/2026 10:33 AM by WOLINM	2	93
12/22/2025 2:31 PM British Canal Sinkhole? by Haymaker ; posted in General Discussion	Last post: 01/07/2026 9:19 PM by Lehman57	7	281
01/06/2026 12:50 PM NCR (Non Conformance Report - Construction) by lmiller ; posted in Civil Engineering	Last post: 01/07/2026 12:12 PM by lmiller	6	445
01/06/2026 6:40 AM Log In Issue by Codemaster ; posted in General Discussion	Last post: 01/07/2026 9:00 AM by JWthetech	6	105
09/21/2025 7:54 AM Using Attic Heat to Cool House by HiTekRedNek ; posted in General Discussion	Last post: 01/06/2026 12:26 AM by GM1964	20	317
09/14/2009 5:49 AM Restaurant Equipment and Fast Food by Anonymous Poster ; posted in Electrical Engineering	Last post: 01/05/2026 4:00 PM by Koos03	5	141

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