There are other theories as to what causes nausea during pregnancy as well. Some other contributing factors might be: Estrogen is another hormone that rises during early pregnancy and could contribute to queasiness. A sensitive stomach could be made worse while trying to adapt to the changes of pregnancy.
Preparing to use a push lawn mower: 1  When using a push lawn mower, always wear safety glasses or safety goggles. 2  This lawn mower safety tip should be followed even while performing an adjustment or repair. 3  Objects thrown from a push lawn mower can ricochet and cause serious injury to the eyes.
Step 4. Prop the mower on its side to access the blade. Block the blade with a piece of wood to prevent the blade from turning. Use an adjustable box end wrench to remove the nut and washer from the blade on a 38-inch to-42 inch cut mower or remove the bolt and washer from a 48-inch to 54-inch cut mower.