Shaqiri curled a precise effort in off Valdés's left-hand post, with the former Barcelona goalkeeper getting a faint touch.
Watt provided the clever approach play to release Vetokele, who finished the job with a precise effort past the exposed Button.
The Italy international received the ball from Kylian Mbappé out on the left before curling a precise effort past Lloris into the bottom corner from 25 yards.
Conor Sammon doubled the visitors' advantage with a precise effort from the edge of the area before Millers captain Lee Frecklington was sent off for a second bookable offence.
United's recent improvement was underlined as they continued to take the game to Chelsea, keeper Thibaut Courtois blocking Paddy McNair's 20-yard shot and Oscar deflecting Rooney's precise effort inches wide.
That mouthful yields precise effort that never feels overboosted or artificial, but there's nothing brusque about the feedback, either, meaning that just the right balance of sports car and luxury sedan has been dialed in.
As an expression of their responsibility to the dead, they can insist on a scrupulous rendering of historical detail; many therefore can be comfortable only with precise documentary efforts at re-creation.
On some level, most burn deaths may be preventable with better airway management and more aggressive but precise resuscitative efforts.
Every single gesture is precise, every effort is at its maximum.
Rafsanjani himself was conspicuously absent from the public sphere and noticeably silent in the days that followed the election a silence some observers suggested belied his activity behind the scenes, although the details of his whereabouts and the precise nature his efforts remained subject to speculation.
The team's new measurement is 13 times more precise than previous efforts, with an uncertainty of just 0.03 parts per billion, the researchers report online today in Nature.
