The advantages and disadvantages of development

Air-conditioner
Advantages

In serious heat waves, air conditioning can save the lives of the elderly.

Can change the temperature of the rooms in no time.

Air conditioning can have a positive effect on sufferers or allergies and asthma.

Disadvantages

Emits ozone-depleting refrigerant.

Can occasionally promote the growth and spread of microorganisms, such as Legionella Pneumophila .

Dry skin problem due to dehydration.

Mobile Phone
Advantages

Interpersonal communication is made simple and convenient.

Listening to songs, watching videos and playing games

Reminders for important events appointment and meeting recorded in the memo.

Disadvantages

Harmful health effects

Negative effect on the environmnt

Increase in theft case

Car
Advantages

Shorten time and improve travelling condition.

Promote the growth of nnational economy.

sae the time.

Disadvantages

Environmental Pollution.

Traffic congestion.

Accident problem.