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1. The doctor asked me if anything wrong with me
The doctor asked me if i sometimes have headaches
The doctor asked me if i am taking any medicine now
the doctor asked me if i spend much time outdoors
The doctor aked me if i doing sports
The doctor asked me if i usually have a good appetite
The doctor asked me if i usually go to bed late
The doctor aked me if i follow his advice
2. He asked me what i like about my school
He asked me what school activity i have done last
He asked me what is my favourite subject
He asked me what is more important at school
He asked me how often do i go on school trips
He asked me what is my school record
1.What is drilling used for?
To cut or enlarge a hole in solid materials.
2. What is a drill bit?
The drill bit is a multipoint, end cutting tool.
3.What operations is a drill used in?
Drills are commonly used in woodworking, metalworking, and construction and most "do it yourself' projects. Specially designed drills are also used in medicine, space missions and other applications.
4.When was the first electric drill invented?
in 1889
5.What main parts does a drill press consist of?
A drill press consists of a base, column, table, spindle, and drill head, usually driven by an induction motor.
6.What advantages does a drill press have over a hand-held drill?
A drill press has a number of advantages over a hand-held drill:
Less effort is required to apply the drill to the work piece. The movement of the chuck and spindle is by a lever working on a rack and pinion, which gives the operator considerable mechanical advantage.
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