A letter of undertaking is an assurance by one party to another party that they will fulfill the obligation that had been previously agreed on, but not written into a contract.t is therefore important that if youâre requesting the letter, not to be unreasonable with demands, and if sending one to make sure the recipient is expecting it. 3. Because it is a form of agreement it is customary to sign the letter in good faith.
â¢ INCRUSTATION (noun) The noun INCRUSTATION has 3 senses: 1. the formation of a crust. 2. a hard outer layer that covers something. 3. a decorative coating of contrasting material that is applied to a surface as an inlay or overlay. Familiarity information: INCRUSTATION used as a noun is uncommon.
Upthrust is application of force or pressure to cause movement in an upward direction. Geologically speaking, it's an upheaval of the surface of the Earth, sometimes quick and violent and sometimes slow and extended over thousands of years.t is when an object floats due to balanced force between upthrust of the fluid (pushing upwards) and weight of the object (pushing downwards). 1 person found this useful. Edit. Share to: 1  The Periodic Table of Elements Life is sustained by a number of chemical elements.