Andy: In his ormat he plug slots nto he recessin the socket. hat allows t to fit n really ightly,compared with other designs. |us, hese id€sand grooves n the sides ncrease he amount ffriction. That helps t to resist pullout orces evenmore, so it won't all out of the socket.Karin: Yeah, ut at the end of the day, howsecurely o you want t to be retained? f t's heldin too hard, hat makes t difficult o pull out.Andy: That's rue.Karin: Plus, t could be dangerous. f you'revacuuming nthusiastically o loud music, et'ssay, and you pull the cord, you actually want theplug o pull out, don't you? Otherwise ou mightrip the cable half way out of the plug, or theappliance.Andy: So, really, e need o compare he pulloutresistance f all the ormats.Karin: And determine hat he deal esistanceis.Andy: Yeah. OK. Erm, what else can we say about his one?