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.
There are many variants of the cylinder mower. Push mowers have no engine and are usually used on smaller lawn areas where access is a problem, where noise pollution is undesirable and where air pollution is unwanted. As the mower is pushed along, the wheels drive gears which rapidly spin the reel.