Even the artists of the Renaissance sought to penetrate to the essence of reality.
At last, I see it, I fell it; I penetrate to the predestinated purpose of my life.
In philosophical discussions of the origin of life, he brings to all topics an ability to penetrate to the essentials of the problem at hand.
HF, liquid or gaseous, may cause severe burns of skin and deep tissues. If the eyes are exposed to HF, it may penetrate to internal structures. HF inhaled in high concentrations may cause glottitis (obstruction of the airway) and acute pulmonary edema.
