A 40:1 mixture will ensure that there is enough oil with your gas. 3.2 ounces of an oil designed to mix with gas should do fine. It's 3.2 ounces of oil with one gallon of gas.
As for exact DB's I'm unsure, but mine is about the same as a well tuned lawn mower.
That depends entirely on what's wrong with it. If you have no knowledge of this fairly complicated machine, you should take it to a 'small engine and lawn mower' repair shop.
Homelite string trimmers are inexpensive brand that you can probably buy at home depot. Depending on how much trimming you have to do in your lawn, should help you decide on how much you want to put down on a trimmer. I suggest going with a Stihl trimmer or a Poulan Pro. You can probably find a bottom of the line residential unit from these brands for about what you would pay for a homelite maybe a few dollars more, but worth it.http://www.weedwackerstore.com
To fill low spots in a lawn effectively, you can use a mixture of topsoil and sand to level the area. Spread the mixture evenly over the low spots and then compact it gently with a lawn roller. Finally, seed or sod the area to promote grass growth and blend it with the rest of the lawn.
It is almost a pure compound but it will have had things in it so in effect it is a mixture.
Use a broom or switch to spread them before cutting. It is not a good idea to kill the worms they do more good than harm.
Lawn is killed by herbacides, lack of proper watering, fungus, insect infestation, and excessive fertilizing
Lawn sand is a mixture of fine dry sand and sulphate of iron which is used to kill moss in lawns and encourage growth.
Several things can be done to make a beautiful, healthy lawn. They include fertilization, watering, weeding and proper mowing.
NO points. 2 and 4 cycle engines used on outdoor lawn equipment, chain saws, leaf blowers, trimmers etc. use a simple magneto ignition. the flywheel has a magnet on it and as it spins it passes the coil pick up and as it does the creates a magnetic field to form and after it passes the coil fires. Even a brand new Homelite uses the same ignition system
To effectively treat and prevent circular dead patches in your lawn, you can start by aerating the soil, overseeding the affected areas, and ensuring proper watering and fertilization. Additionally, regular mowing and proper lawn maintenance can help prevent the recurrence of dead patches.
John Deere lawn mowers are famous for being very high quality and with the proper care having quite a long life.