Sunday 29 November 2020

Digital Text Book (Atom)

https://online.fliphtml5.com/fbnqg/wbcp/?1606681006261#p=1

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(Innovative work)separation using separating funnel

https://drive.google.com/file/d/1pEK1jbpS5KWMF5YK71CAd-qsLw_ekbq5/view?usp=drivesdk