चेन और चेन के प्रकार.

https://docs.google.com/document/d/1ZQPXUpOoXUjBWOQFpHvldmpFwISx7_Jq/edit?usp=sharing&ouid=108938057700723052405&rtpof=true&sd=true 

Types of Chains {ENGLISH}

https://docs.google.com/document/d/1U9MFCBfkFwkh9XxbnrNK3fyXOS2MILOa/edit?usp=sharing&ouid=108938057700723052405&rtpof=true&sd=true 

Types of Chain & chaining Equipment's Used in the method of Surveying

SURVEYING___BASICS & NEED OF LAND SURVEYING

 https://docs.google.com/presentation/d/1NeQDIC_DEvJSeMV-6P4_s7pAOuMwSrsi/edit?usp=sharing&ouid=108938057700723052405&rtpof=true&sd=true

SURVEYING___BASICS & NEED OF LAND SURVEYING

ईंट-लाइट वेट ब्रिक्क्स  

Incomplete

LIGHT--WEIGHT BRICK’S {PPT}

LIGHT--WEIGHT BRICK’S 

https://docs.google.com/presentation/d/10BajAr8V8E6osBVZ_hw_GmwA4Iu_K9tx/edit?usp=sharing&ouid=108938057700723052405&rtpof=true&sd=true

U-tube link-- LIGHT WEIGHT BRICK'S Part 1, FLY ASH & SILICATE BRICKS

https://youtu.be/wKn0HtIwkA8

LIGHT WEIGHT BRICK'S PART 2, INTERLOCKING TILES, CONCRETE SOLID BLOCKS, HOLLOW CONCRETE /CLAY BRICKS

https://youtu.be/64sf8X_yYIU