Often have recycled or intractable unscrewing the screws with a Phillips-head recess under the broken screwdriver. Help out a hacksaw or a chisel (which is better suited to the specific case) with them in the head to make the slot and the screw will serve as Kareem kniesel a flat screwdriver.
Recommend to read
KIRISKA – NO DEFICIT!
Something I have done for drawings and diagrams, published in the journal under the heading "Club home of the masters". In one of the rooms was a note on the machine to edit used caps...
STRONG SCREWDRIVER
The old "stuck" or rusty screws and hard screws unscrewed in the usual screwdriver. But enough to drill in the handle hole and insert the metal shaft so the knob will be able to remove...