These formulas give approximate values for maximum penetration and cavitation diameter in inches, again for non-deforming bullets with a relatively broad flat nose. Anal sex or anal intercourse is generally the insertion and thrusting of the erect penis into a person's anus, or anus and rectum, for sexual pleasure. Other forms of anal sex include fingering, the use of sex toys for anal penetration, oral sex performed on the anus (), and pegging. Although the term anal sex most commonly means penile-anal penetration, . Performance Stramit ® Rainwater Products have been designed and/or tested to all appropriate loadings and design action effects. These include wind, atmospheric corrosion, rainwater flow, rainwater mass, foot traffic loads, dead loads and ladder armar.info performance information for each product indicates those action effects .