You must rig gangway combined()pilot ladder.
Guide tolerances during elevation of the jack-up rig will().
Which part of a conventional cargo gear rig provides for vertical control and positioning of a boom().
In a married falls rig at the after end of a hatch,a boom is rigged in a fore and aft line through its heel.Stresses on the outboard guy will be LEAST if the guy is made fast at a point().
试述大多数RIG的Ms-T曲线具有抵消点θc和相近的居里点θf的原因。
Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by().
Rig ()on both side of the bow.
On which side()I rig the pilot ladder.
A jack-up drilling rig being towed must().
The safest procedure used to rig a guy and preventer is to have the guy().