Report Abuse A wind breaker, a sweatshirt and long pants are highly recommended for August in San Francisco. Of course if you are venturing into the central valley then shorts and very light weight tops would be appreciated. It could be over 100F in the Valley and only in the 60's in San Francisco on the same day. So the advice is to pack layers.
Bondo (putty) Bondo putty is an automotive body filler and a brand name used by 3M for a line of American-made products for automotive, marine and household repairs.
Piperonyl butoxide (PBO) is an organic compound used as a component of pesticide formulations. It is a waxy white solid. It is a synergist. That is, despite having no pesticidal activity of its own, it enhances the potency of certain pesticides such as carbamates, pyrethrins, pyrethroids, and rotenone. It is a semisynthetic derivative of safrole.