印度航空公司

• 爪(hand/claw (pressing down))ASSOCIATIVE
• 卩(person kneeling; kneeling figure)ASSOCIATIVE

Using a hand pressing down on a kneeling person to seal creates a stamp or seal of authority.

• 广(roof; broad eaves)RADICAL
• 廿(twenty; many times measure)ASSOCIATIVE
• 又(right hand; again; once more)ASSOCIATIVE

Under a roof, use your hand to measure back and forth many times to get accuracy.

• 穴(row; gap)RADICAL
• 工(craftsman; work)PHONETIC

An empty cave with nothing inside is just hollow space.

• 八(eight; split in two)RADICAL
• 厶(private; personal)ASSOCIATIVE

Public means sharing your private things with everyone to become shared property.