A smoke detector without batteries is useless. The holidays are over and you now have a dry brown dead tree in your living room. Dry trees can create a dangerous fire. Leave it for refuse disposal or, better yet, take it to a local tree recycler. Over half a million back injuries occur on the job every year.
Back problems are a primary cause of costly workers' compensation claims and absenteeism.
Learning a few basic tips can prevent back injury in the work place as well as at home. Assess the object you are about to lift. Bend at your knees, not your waist. Lift with your leg muscles. Hold the load close to your body.