A good tool kit should contain screwdrivers of various sizes. Do not try to remove heavy screws with a screwdriver that is obviously too small. The screwdriver will slip out of the notch in the screw and damage the screw head, and there is considerable chance of twisting the handle loose from the blade. A screwdriver eight inches long is about right for most heavy work found in the home. A three-inch screwdriver :will be needed for small work, and a long, thin one for electrical and other work in which the screws are relatively small and inaccessible.
Do not use a screwdriver for any purpose other than turning screws. Screwdrivers used as cold chisels, pry bars, and the like, cannot be expected to last long. Keep the blade of a screwdriver sharp. Use a :file for this purpose rather than a grindstone. Grinding' the blade of a screwdriver may overheat the metal and cause it to lose temper.
A ratchet screwdriver with interchangeable blades, is an excellent timcsaver on jobs that require a great many screws. This screwdriver does away with lifting the blade from the screw after every half-turn.
Change the blades according to the size of screws to be turned. A ratchet screwdriver requires a little light oil now and then on all moving parts.
Special Screwdrivers. Occasionally, you will run up against a screw which calls for a special screwdriver. These screws are mostly automobile and machine screws. Do not attempt to use a common screwdriver on them. A special screwdriver, made to fit the heads of these screws, should be used.
CHISELS
There are many different kinds of wood chisels and gouges; but for general purposes the firmer chisel is the best suited, as it can be used for both light and heavy work. There are two classes of ehisels, the tang chisel and the socket chisel. The names refer to the manner in which the blade is attached to the handle.
The tang chisel has a sharply-pointed tang driven into the wood handle, while the handle of the socket chisel is driven into a socket at the end of the blade. Wood chisels are from 1/8th to 2 inches wide, but a 1/4 inch, 1/2-inch, and 3/4 inch chisel will be sufficient for most home repair jobs.
Use a wood- or leather-head mallet for striking a chisel; never a hammer with a metal face. To preserve a good cutting edge on the chisels, the blades should not be allowed to come in contact with other tools or metal. Do not overstrain a chisel by trying to make too big a cut. Small cuts will give you more accuracy in your work, and the job will be done just as quickly in the long run.
Plumbing
The Plumbing System - Fresh water supply - Low Water Pressure - Hot Water System - Hot Water Heaters - Hot Water Tanks -
Dirty Hot Water - The Sewage System - Sewage Disposal - Cesspools - Septic Tanks - Clearing Sewer Pipes - Clearing Drains - Plumbing Traps - Toilet Traps - Noisy Plumbing - Leaks in Water Tanks - Frozen Pipes - Clogged Water Pipes - Hard Water - Faucets - Shower Mixing Valves - Leaky Flush Tanks - Flush Valves - Removing Toilet Bowl - Leaky Pipes - Draining the Plumbing - Sealing Traps - Draining the Heating System - Types of Pipe - Insulating Pipes - Water Corrosion - Cleaning Fixtures.
Electricity
Definition of Terms - Ohm's Law - Alternating and Direct Current - Sources of Electrical Power - The Electrical System - Overloading the Circuit - Rewiring - Reading a Meter - Precautions - Fuses - Types of Cord - Splicing Wires - Replacing Plugs and Switches - Home Lighting - Electric Motors - Signaling System - Transformers - Burglar Alarms - Repairing the System - How to Install a Bell System.
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