Recently used nanoparticle additives are proposed to improve lubricant performance under different conditions because of their unique properties. The key objective of this exploration is to study the possibility to employ multi-walled carbon nanotubes (MWCNT) and graphene nanosheets (GNS) as additives for lubricants. Calcium grease (CG). without chemical modification. https://thebanyantreers.shop/product-category/accessories-beds/