Ann: LBL 2019 Appendix 4E - Results Surpass Earlier Guidance, page-22

There is more than 2 strings to their bow , apart from as you mention the physical service and selling licences which are 2 divisions of LBL they also have a third string a product development division , so while the service division as you rightly indicate has only linear growth potential (they have started an evening shift) the services division does give the company a recurring revenue stream and therefore give in house cashflow to fund the potential exponential growth from the product development division , ie steel rollers for cold roll mills and down hole hammers .