A modern method of installing screws is to use a(n) ...

[Yi-Chen]

A modern method of installing screws is to use a(n) ___________________ _ or a(n)
  ___________________ _.

 
  Fill in the blank(s) with the appropriate word(s).

Question 2

The hole for the core of the screw is called a(n) ___________________ _.
 
  Fill in the blank(s) with the appropriate word(s).

[mistyjohnson]

Answer to Question 1

portable drill, power screwdriver
power screwdriver, portable drill

Answer to Question 2

pilot hole
anchor hole

[Yi-Chen]

Thanks for the timely response, appreciate it

[ASDFGJLO]

Wow, this really help