https://lmas.co.uk/1968/05/01/fierce-competition-develops/https://lmas.co.uk/1967/05/01/1967-product-is-introduced/https://lmas.co.uk/1980/05/01/%d1%81ompany-expands-into-a-new-eight-story-factory-building-in-st-louis/https://lmas.co.uk/1974/05/02/company-announces-a-range-of-advanced-security-products-and-solutions/