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.
1 To sharpen and balance a blade, it must first be removed from the mower. 2  Walk behind mower blades are installed between 38 and 50 foot pounds of torque, and riding mowers are between 70 and 100 foot pounds of torque using a standard bolt thread pattern, which is also referred to as right-handed or clockwise thread. To sharpen and balance a blade, it must first be removed from the mower. 2  Walk behind mower blades are installed between 38 and 50 foot pounds of torque, and riding mowers are between 70 and 100 foot pounds of torque using a standard bolt thread pattern, which is also referred to as right-handed or clockwise thread.