Tapping example sentences

It has enormous possibilities of tapping solar energy.The postmaster — a fat, amiable fellow — also broke out laughing, but almost immediately he turned serious and, tapping the letter on his desk, commented, “What faith! I wish I had the faith of the man who wrote this letter.There he was, tapping at the little switch in his hand, trying to find the words on his computer with the only bit of movement left to him, his long, pale fingers.This has led to the tapping of various nonconventional sources of energy that are cleaner alternatives to fossil fuels.