transport

1. by air

1.1. airplane

1.2. helicopter

1.3. hot air balloon

2. by rail

2.1. train

2.2. tram

2.3. underground

3. by sea

3.1. boat

3.2. ship

3.3. ferry

3.4. ferry

3.5. speedboat

4. by land

4.1. car

4.2. bus

4.2.1. get the bus

4.3. taxi

4.4. coach

4.5. lorry

4.6. minibus

4.7. moped

4.8. motorbike