Explanation:

- Capital can refer to various types of resources used in production and productivity.

- Option:1, Human, physical: Human capital refers to the skills and knowledge individuals possess. Physical capital includes tangible assets like machinery. However, physical represents production capacity.

- Option:2, financial, human: Financial capital refers to funds available, while human capital is the knowledge and skills of individuals. Not directly linked to production capacity.

- Option:3, Physical, human: Physical capital is the machinery and equipment in production, while human capital is the knowledge and creativity that designs and improves these machines.

- Option:4, Physical, financial: Physical capital is indeed about production tools, but financial capital concerns monetary resources, not machine design expertise.