But this was not sufficient to obviate all threatening danger. All forms are either specifically proximate, or can be either proximate or obviate. Proper engine coolant and a pressurized coolant system obviate the shortcomings of water. Canada also uses Foreign Accrual Property Income rules to obviate certain types of tax avoidance. Proponents of the change argue that ZIP codes obviate the conflict. Several technologies may obviate chick culling by determining the sex of a chick before hatching. "Tirpitz"s defences were improved after Operation Obviate. Some fastener designs can obviate spotfacing for some applications. The Allies remained committed to sinking "Tirpitz" after the failure of Operation Obviate. It will obviate the need to travel through Rohtang Pass. The "Quake" engine was optimized specifically to obviate this problem. Operation Catechism re-used the plans for Operation Obviate, and was conducted by the same squadrons. The attack was designated Operation Obviate. But it's for little things-something will happen in the staging that will obviate a line. Thirty-two Lancasters attacked the ship with Tallboys during Operation Obviate.