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Special clamps can prevent this . By opening up fire breaks and limiting the available fuel load , this thinning can prevent a more intense and dangerous crown fire from spreading across treetops . The mumps vaccine , which is contained in the MMR ( measles , mumps , and rubella ) vaccine , can prevent this disease . This is a specially developed blood product that can prevent an Rh negative mother 's antibodies from being able to react to Rh positive cells . A user who has , or who can obtain ( see advisory 00:14 ) shell access to the mail server can prevent an arbitrary mailbox from being opened via pop2 / pop3 , or can force the mailbox to be only opened read-only via imap . In other words , 41 senators can prevent a vote on a nominee ( or on a piece of legislation , for that matter ) if they choose to . Drying the cover of books before standing them up can prevent some distortion and damage . The study results suggest that adding this step can prevent a phenomenon known as recanalization , in which sperm can temporarily or permanently find a way through the healing vasectomy site , causing sperm to persist in the semen . Detailed information is provided on ways that individuals and businesses can prevent this pollution from reaching our beaches . Most people can prevent any serious foot problem by following some simple steps . Careful monitoring can prevent this condition . There are places in the protocols where an intruder can prevent an application from participating in the proper authentication steps . Enteral nutrition with glutamine-containing formulas can prevent this relapse of SIRS in patients on adequate therapy.Acute respiratory distress syndromeAcute lung injury or ARDS is a frequent complication of severe sepsis or septic shock , occurring in as many as 40 % of patients with severe sepsis secondary to gram-negative infection . Opening and closing containers : An electric can opener can prevent a lot of frustration .