If you provide fatty food, then surely it will feed its muscles and gives necessary strength as well. (usbones.com)
While Wang has already developed self - healing versions of lithium - ion batteries, artificial muscles for use in the robotics industry, electronic skins and soon a touch panel, he notes that his polymer has limited mechanical properties, lacking the necessary strength and impact resistance required by most consumer devices. (cnbc.com)
As you diet you ask God for the necessary strength of will and the grace to persevere. (religion-online.org)