You must also keep any other financial records, information and calculations you need to complete your Company Tax Return. This includes records of all money: 1  spent by the company, eg receipts, petty cash books, orders and delivery notes. 2  received by the company, eg invoices, contracts, sales books and till rolls.
Definition of stamina for English Language Learners. : great physical or mental strength that allows you to continue doing something for a long time.
The definition of strenuous is something that takes a lot of effort, work or energy to do. An example of strenuous is hiking to the top of Mount Everest. requiring or characterized by great effort or energy: a strenuous game of handball. vigorous, arduous, zealous, etc.: strenuous efforts.