what is grease

ppt link below https://docs.google.com/presentation/d/1Qp26mZS2l6xmtiSsYmdOS6YmP6nEA5X3/edit?usp=sharing&ouid=100911010901800770561&rtpof=true&sd=true Hi This is upendra kumar malla.Completed B.Tech mechanical and working in a private sector. I want to share my knowledge to students through this channel. Telegram group link 👇👇 https://t.me/joinchat/kBKPMSg2enQ1N2I1 Upendra career guidance channel link 👇👇 https://youtube.com/channel/UCZ9-t6cCEPCCTeeoG8MlVZw Upendra master of mechanical channel link 👇👇👇 https://youtube.com/channel/UCf63q-zs-6tMkyM4-YR0Zug List of 500+ videos in 43 playlist are available in this channel. Please find playlist links below 1.Refrigeration and Air conditioning https://www.youtube.com/watch?v=e9D_gP2zA6Q&list=PLACnzDzyaitZtsVQSAFFisTbU-f9SeDy7 2.Thermodynamcis https://www.youtube.com/watch?v=U1ZkfIhCMA0&list=PLACnzDzyaitaqetoegynXviZTU4PgABQK 3.Pumps https://www.youtube.com/watch?v=iWc5d-3Z51U&list=PLACnzDzyaitY-4LLYRWztHJhC3AgJEsfM 4.Fluid Mechanics and Hydraulic machines https://www.youtube.com/watch?v=dS89DyezJiY&list=PLACnzDzyaitZGIic1K_y8OMu-WLvTfmiu 5.Strenght of materials https://www.youtube.com/watch?v=lxRnTpsRkgE&list=PLACnzDzyaitaL0OQgPn3w0ZM6bIFzPSsA 6.Automobile Engineering https://www.youtube.com/watch?v=hy2OspOI-q4&list=PLACnzDzyaitaNwmXpQ064SjgPxsMQBNVy 7.Design of machine members https://www.youtube.com/watch?v=eUcNFAFMKy8&list=PLACnzDzyaitYPx1JrAxpHDfSpUNv0IIWg 8.Kinematics of machinery https://www.youtube.com/watch?v=O_fBHv3xYxY&list=PLACnzDzyaitYh4KYyObO81epynVM1LT2U 9.Piping basics https://www.youtube.com/watch?v=6Wlvo6VAhRQ&list=PLACnzDzyaitY0zcrLo_JSK_eOQzPbTSgQ 10.Engineering Drawing/Graphics/Machine Drawing/Production Drawing https://www.youtube.com/watch?v=6z7gdCzI8II&list=PLACnzDzyaitavpLZl2vdpo46xf6jjDQxu 11.Engineering Materials https://www.youtube.com/watch?v=0LWB1_yB_jQ&list=PLACnzDzyaitYfQ3VXwnEHYp2IK5RZhPRf 12.Safety basics and Training https://www.youtube.com/watch?v=G1aIiggAhHs&list=PLACnzDzyaitanyyZtxLW9ezB571iUPzdE 13.NDT/Non destructive testing methods https://www.youtube.com/watch?v=FSndHigT934&list=PLACnzDzyaitZrxeeDr_bFC0NmE6h_g_Lt 14.Operariona and research https://www.youtube.com/watch?v=yeXZZn4TDAo&list=PLACnzDzyaitapnbl9bv7T7MYleouUZeuj 15.Heat Transfer https://www.youtube.com/watch?v=e6yyzHzkgZY&list=PLACnzDzyaitaJy3wGCMCCcSf0vRhLNb1S 16.Dynamics of machines https://www.youtube.com/watch?v=gpf362lD9qA&list=PLACnzDzyaitZtxYpLGZ6naFBvFDZNVLtI 17.Computer Aided Manufacturing https://www.youtube.com/watch?v=T8t3jjJXmew&list=PLACnzDzyaitYHJG0DAETjh-Sw5caq2sUG 18.Production Technology https://www.youtube.com/watch?v=nGq9s3Ut5pU&list=PLACnzDzyaitZJP43obf6R0u6fVr4gjNwL 19.Steam generators or Boilers https://www.youtube.com/watch?v=iiYMRjgmvZI&list=PLACnzDzyaitax4C-Ra3kWmgGUF6zbBCGO 20.I.C.Engines/Thermal Engineering https://www.youtube.com/watch?v=a_HmTBokZ6E&list=PLACnzDzyaitYgXi7cI9DgYEjh7kNOlU41 21.Bearings https://www.youtube.com/watch?v=grNtK_En99g&list=PLACnzDzyaitZpRI1a9Lse6HtUhBLRWwN3 22.welding basics https://www.youtube.com/watch?v=blxwsA8PeNY&list=PLACnzDzyaitYI1i5V5PeRpEWRKVoYid6A 23.Cams and followers/Kinematics of machines https://www.youtube.com/watch?v=tHqjNni0Q6k&list=PLACnzDzyaitalf0laA3ufjGge_7BitIs5 24.Industrial Engineering Estimating and costing/Industrial management https://www.youtube.com/watch?v=V_lPnfaCO0o&list=PLACnzDzyaitYzIx7n1AiYmEjThOu27-CD 25.Condensers https://www.youtube.com/watch?v=Xn2PJq-LSXE&list=PLACnzDzyaitYlWoxtHUtpQ77vYvm_QqCl 26.Heat Exchangers https://www.youtube.com/watch?v=hnO-r1oxEpk&list=PLACnzDzyaitY91SOedMpRpl5KzwkaUsnM 27.Steam turbines and gas turbines https://www.youtube.com/watch?v=PRL4XckZU_8&list=PLACnzDzyaita8H2mnfgfHItMPK2nPzlZ1 28.Pneumatics https://www.youtube.com/watch?v=Z1_1bHqyBAc&list=PLACnzDzyaitYoXiDQNelH3NV9Qd_jqpev 29.You tube Live videos https://www.youtube.com/watch?v=X50BWl4I544&list=PLACnzDzyaitb-b3hrQwVvvHTz-ziPokyO