Highly workable wood is easier to manipulate into desired forms. The drafting process may impose limitations on the size that is realistically workable. Ellis lacked the number theory expertise necessary to build a workable system. Use of the automatic also eliminated the need to devise a workable manual-shift linkage. The principle of gauge invariance is essential to constructing a workable quantum field theory. However, writing a workable screenplay proved difficult, due to the novel's length. Dr William King made Owen's ideas more workable and practical. Unicode is intended to address the need for a workable, reliable world text encoding. The lime makes the render more workable and reduces cracking when the render dries. Clay is combined with other minerals to create a workable clay body. Many condensed matter experiments are aiming to fabricate workable spintronics and quantum computers. The only way to use plutonium in a workable bomb was therefore implosion. This material is dense and not easily workable. It changes the measurement to convenient and workable numbers and units in the new system. It makes the steel softer and more workable.