Which of these materials is used to securely fasten?

• 
• 
• 
• 

Which of the following materials is used to transport liquids?

• 
• 
• 
• 

It's used to strike objects, apply force, pull nails.

• 
• 
• 
• 

Which of these elements is used to cut or grind surfaces?

• 
• 
• 
• 

Helps us to connect electronic components

• 
• 
• 
• 

Which of these elements is used to drill holes in surfaces?

• 
• 
• 
• 

Which of these is used to supply electrical power to other devices?

• 
• 
• 
•