Provide a concise overview of Orica Ltd.'s primary manufacturing operations in the year 2022. This summary should encompass the key activities undertaken during the year and refer to company's performance in 2022/2022 financial year. The primary objective of this section is to provide a comprehensive introduction to the company's present-day operations and the fundamental aspects of its business, with a particular focus on identifying the key drivers of profitability and highlighting significant risks. It is important to note that the intention here is not to delve into the historical developments of the company.