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 2: Remove the spark plug wire and unscrew the plug from the engine. The tool required to unscrew the plug depends on the plugâs location. If the plug is embedded deep inside a hole, you may need to use a spark plug socket to grip and remove it.or the entire series, weâre performing maintenance on both a Craftsman 6.5 horsepower self-propelled mower, and a 4.5 horsepower Murray mower. Both push mowers are powered by Briggs & Stratton small engines. One of the top reasons a lawnmower wonât start is a faulty or worn out spark plug.