Invidious
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My Mission
1. Basic Fabrication consumables details.
2. Drawing study.
3. Basic welding study materials.
4. GMAW,SMAW,GTAW ETC.
5. Welding common defects.
6. NDT.
7. Heavy Fabrication Helpful videos .
8.Material handling related videos.
9.Safety awareness related videos.

Introduce yourself I am Harekrishna Pal , I had completed BTech in Mechanical engineering ,I have more than 10 years of experience in Heavy-fabrication field on various projects and industry,
Also I have done some welding certificate course from IIW (Indian Institute of welding) ,
I would like to say YouTube platform my best social network to share my experience and knowledge.
keep learning and grow together✅

I suggest you subscribe to my YouTube channel ‘’world class fabrication workshop’’ in my mission to share with you my best fabrication knowledge.

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Unable to parse item

Invidious encountered an error while trying to parse this item. For more information see below:

Show technical details 
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)`
Date: `2026-03-14T04:17:41Z`
Route: `/channel/UC_EnOSGCU6u7LPH3fiqBa3A/streams`
Version: `2026.03.13-ab76e29e @ master`

<details>
<summary>Backtrace</summary>
<p>
   
```
Missing hash key: "collectionThumbnailViewModel" (KeyError)
  from /home/invidious/crystal/share/crystal/src/hash.cr:1202:9 in '??'
  from /home/invidious/crystal/share/crystal/src/json/any.cr:149:5 in 'process'
  from src/invidious/yt_backend/extractors.cr:524:17 in 'process'
  from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item'
  from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items'
  from src/invidious/channels/videos.cr:73:12 in 'get_60_livestreams:continuation:sort_by'
  from src/invidious/routes/channels.cr:127:34 in 'streams'
  from lib/kemal/src/kemal/route.cr:13:9 in '->'
  from src/invidious/helpers/handlers.cr:31:37 in 'call'
  from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client'
  from /home/invidious/crystal/share/crystal/src/fiber.cr:170:11 in 'run'
  from ???
```
</p>
</details>

Unable to parse item

Invidious encountered an error while trying to parse this item. For more information see below:

Show technical details 
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)`
Date: `2026-03-14T04:17:41Z`
Route: `/channel/UC_EnOSGCU6u7LPH3fiqBa3A/streams`
Version: `2026.03.13-ab76e29e @ master`

<details>
<summary>Backtrace</summary>
<p>
   
```
Missing hash key: "collectionThumbnailViewModel" (KeyError)
  from /home/invidious/crystal/share/crystal/src/hash.cr:1202:9 in '??'
  from /home/invidious/crystal/share/crystal/src/json/any.cr:149:5 in 'process'
  from src/invidious/yt_backend/extractors.cr:524:17 in 'process'
  from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item'
  from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items'
  from src/invidious/channels/videos.cr:73:12 in 'get_60_livestreams:continuation:sort_by'
  from src/invidious/routes/channels.cr:127:34 in 'streams'
  from lib/kemal/src/kemal/route.cr:13:9 in '->'
  from src/invidious/helpers/handlers.cr:31:37 in 'call'
  from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client'
  from /home/invidious/crystal/share/crystal/src/fiber.cr:170:11 in 'run'
  from ???
```
</p>
</details>

Unable to parse item

Invidious encountered an error while trying to parse this item. For more information see below:

Show technical details 
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)`
Date: `2026-03-14T04:17:41Z`
Route: `/channel/UC_EnOSGCU6u7LPH3fiqBa3A/streams`
Version: `2026.03.13-ab76e29e @ master`

<details>
<summary>Backtrace</summary>
<p>
   
```
Missing hash key: "collectionThumbnailViewModel" (KeyError)
  from /home/invidious/crystal/share/crystal/src/hash.cr:1202:9 in '??'
  from /home/invidious/crystal/share/crystal/src/json/any.cr:149:5 in 'process'
  from src/invidious/yt_backend/extractors.cr:524:17 in 'process'
  from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item'
  from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items'
  from src/invidious/channels/videos.cr:73:12 in 'get_60_livestreams:continuation:sort_by'
  from src/invidious/routes/channels.cr:127:34 in 'streams'
  from lib/kemal/src/kemal/route.cr:13:9 in '->'
  from src/invidious/helpers/handlers.cr:31:37 in 'call'
  from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client'
  from /home/invidious/crystal/share/crystal/src/fiber.cr:170:11 in 'run'
  from ???
```
</p>
</details>

Unable to parse item

Invidious encountered an error while trying to parse this item. For more information see below:

Show technical details 
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)`
Date: `2026-03-14T04:17:41Z`
Route: `/channel/UC_EnOSGCU6u7LPH3fiqBa3A/streams`
Version: `2026.03.13-ab76e29e @ master`

<details>
<summary>Backtrace</summary>
<p>
   
```
Missing hash key: "collectionThumbnailViewModel" (KeyError)
  from /home/invidious/crystal/share/crystal/src/hash.cr:1202:9 in '??'
  from /home/invidious/crystal/share/crystal/src/json/any.cr:149:5 in 'process'
  from src/invidious/yt_backend/extractors.cr:524:17 in 'process'
  from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item'
  from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items'
  from src/invidious/channels/videos.cr:73:12 in 'get_60_livestreams:continuation:sort_by'
  from src/invidious/routes/channels.cr:127:34 in 'streams'
  from lib/kemal/src/kemal/route.cr:13:9 in '->'
  from src/invidious/helpers/handlers.cr:31:37 in 'call'
  from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client'
  from /home/invidious/crystal/share/crystal/src/fiber.cr:170:11 in 'run'
  from ???
```
</p>
</details>

Unable to parse item

Invidious encountered an error while trying to parse this item. For more information see below:

Show technical details 
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)`
Date: `2026-03-14T04:17:41Z`
Route: `/channel/UC_EnOSGCU6u7LPH3fiqBa3A/streams`
Version: `2026.03.13-ab76e29e @ master`

<details>
<summary>Backtrace</summary>
<p>
   
```
Missing hash key: "collectionThumbnailViewModel" (KeyError)
  from /home/invidious/crystal/share/crystal/src/hash.cr:1202:9 in '??'
  from /home/invidious/crystal/share/crystal/src/json/any.cr:149:5 in 'process'
  from src/invidious/yt_backend/extractors.cr:524:17 in 'process'
  from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item'
  from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items'
  from src/invidious/channels/videos.cr:73:12 in 'get_60_livestreams:continuation:sort_by'
  from src/invidious/routes/channels.cr:127:34 in 'streams'
  from lib/kemal/src/kemal/route.cr:13:9 in '->'
  from src/invidious/helpers/handlers.cr:31:37 in 'call'
  from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client'
  from /home/invidious/crystal/share/crystal/src/fiber.cr:170:11 in 'run'
  from ???
```
</p>
</details>

Unable to parse item

Invidious encountered an error while trying to parse this item. For more information see below:

Show technical details 
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)`
Date: `2026-03-14T04:17:41Z`
Route: `/channel/UC_EnOSGCU6u7LPH3fiqBa3A/streams`
Version: `2026.03.13-ab76e29e @ master`

<details>
<summary>Backtrace</summary>
<p>
   
```
Missing hash key: "collectionThumbnailViewModel" (KeyError)
  from /home/invidious/crystal/share/crystal/src/hash.cr:1202:9 in '??'
  from /home/invidious/crystal/share/crystal/src/json/any.cr:149:5 in 'process'
  from src/invidious/yt_backend/extractors.cr:524:17 in 'process'
  from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item'
  from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items'
  from src/invidious/channels/videos.cr:73:12 in 'get_60_livestreams:continuation:sort_by'
  from src/invidious/routes/channels.cr:127:34 in 'streams'
  from lib/kemal/src/kemal/route.cr:13:9 in '->'
  from src/invidious/helpers/handlers.cr:31:37 in 'call'
  from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client'
  from /home/invidious/crystal/share/crystal/src/fiber.cr:170:11 in 'run'
  from ???
```
</p>
</details>

Unable to parse item

Invidious encountered an error while trying to parse this item. For more information see below:

Show technical details 
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)`
Date: `2026-03-14T04:17:41Z`
Route: `/channel/UC_EnOSGCU6u7LPH3fiqBa3A/streams`
Version: `2026.03.13-ab76e29e @ master`

<details>
<summary>Backtrace</summary>
<p>
   
```
Missing hash key: "collectionThumbnailViewModel" (KeyError)
  from /home/invidious/crystal/share/crystal/src/hash.cr:1202:9 in '??'
  from /home/invidious/crystal/share/crystal/src/json/any.cr:149:5 in 'process'
  from src/invidious/yt_backend/extractors.cr:524:17 in 'process'
  from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item'
  from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items'
  from src/invidious/channels/videos.cr:73:12 in 'get_60_livestreams:continuation:sort_by'
  from src/invidious/routes/channels.cr:127:34 in 'streams'
  from lib/kemal/src/kemal/route.cr:13:9 in '->'
  from src/invidious/helpers/handlers.cr:31:37 in 'call'
  from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client'
  from /home/invidious/crystal/share/crystal/src/fiber.cr:170:11 in 'run'
  from ???
```
</p>
</details>

Unable to parse item

Invidious encountered an error while trying to parse this item. For more information see below:

Show technical details 
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)`
Date: `2026-03-14T04:17:41Z`
Route: `/channel/UC_EnOSGCU6u7LPH3fiqBa3A/streams`
Version: `2026.03.13-ab76e29e @ master`

<details>
<summary>Backtrace</summary>
<p>
   
```
Missing hash key: "collectionThumbnailViewModel" (KeyError)
  from /home/invidious/crystal/share/crystal/src/hash.cr:1202:9 in '??'
  from /home/invidious/crystal/share/crystal/src/json/any.cr:149:5 in 'process'
  from src/invidious/yt_backend/extractors.cr:524:17 in 'process'
  from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item'
  from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items'
  from src/invidious/channels/videos.cr:73:12 in 'get_60_livestreams:continuation:sort_by'
  from src/invidious/routes/channels.cr:127:34 in 'streams'
  from lib/kemal/src/kemal/route.cr:13:9 in '->'
  from src/invidious/helpers/handlers.cr:31:37 in 'call'
  from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client'
  from /home/invidious/crystal/share/crystal/src/fiber.cr:170:11 in 'run'
  from ???
```
</p>
</details>

Unable to parse item

Invidious encountered an error while trying to parse this item. For more information see below:

Show technical details 
Title: `Missing hash key: "collectionThumbnailViewModel" (KeyError)`
Date: `2026-03-14T04:17:41Z`
Route: `/channel/UC_EnOSGCU6u7LPH3fiqBa3A/streams`
Version: `2026.03.13-ab76e29e @ master`

<details>
<summary>Backtrace</summary>
<p>
   
```
Missing hash key: "collectionThumbnailViewModel" (KeyError)
  from /home/invidious/crystal/share/crystal/src/hash.cr:1202:9 in '??'
  from /home/invidious/crystal/share/crystal/src/json/any.cr:149:5 in 'process'
  from src/invidious/yt_backend/extractors.cr:524:17 in 'process'
  from src/invidious/yt_backend/extractors.cr:1035:17 in 'parse_item'
  from src/invidious/yt_backend/extractors.cr:1082:14 in 'extract_items'
  from src/invidious/channels/videos.cr:73:12 in 'get_60_livestreams:continuation:sort_by'
  from src/invidious/routes/channels.cr:127:34 in 'streams'
  from lib/kemal/src/kemal/route.cr:13:9 in '->'
  from src/invidious/helpers/handlers.cr:31:37 in 'call'
  from lib/kemal/src/kemal/filter_handler.cr:22:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /home/invidious/crystal/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client'
  from /home/invidious/crystal/share/crystal/src/fiber.cr:170:11 in 'run'
  from ???
```
</p>
</details>