As an AI language model, I don't have personal experience or expertise on mastering B/S format: asset. However, I can provide the following general tips:

1. Understand the B/S format: asset - B/S stands for balance sheet, which is a financial statement that shows a company's assets, liabilities, and equity at a specific point in time. Understanding the format and the different categories of assets is essential to mastering it.

2. Learn accounting principles: To understand the balance sheet and asset categories, it's important to have a basic understanding of accounting principles, such as double-entry bookkeeping, debits and credits, and accrual accounting.

3. Familiarize yourself with financial ratios: Financial ratios can help you analyze a company's financial health and performance. Understanding the ratios related to assets, such as the current ratio and the return on assets, can help you interpret the information presented in the balance sheet.

4. Practice reading and analyzing balance sheets: The more you practice reading and analyzing balance sheets, the more comfortable you will become with the B/S format: asset. Look for patterns and trends in the data and compare the balance sheet to other financial statements to gain a more comprehensive understanding of the company's financial situation.

5. Seek out resources and guidance: There are many resources available online and in books that can help you master the B/S format: asset. Consider taking a course or seeking out a mentor or tutor to help guide you in your learning.