4. Please answer both parts. a) Explain what obligations are imposed on employers with respect to Health & Safety in the workplace using relevant case law to explain your answer. b) Tom, an engineer, has invented a new more environmentally friendly way of manufacturing steel joists for the construction industry. Tom has developed this process whilst working for ABC Company Limited. How can Tom protect the invention from being copied by others and might his employer have a claim over the invention? 4. Please answer both parts. a) Explain what obligations are imposed on employers with respect to Health & Safety in the workplace using relevant case law to explain your answer. b) Tom, an engineer, has invented a new more environmentally friendly way of manufacturing steel joists for the construction industry. Tom has developed this process whilst working for ABC Company Limited. How can Tom protect the invention from being copied by others and might his employer have a claim over the invention