巩 SOLID

 巩 this says gong3 and means "secure, solid".
EVERY凡ORDINARY +
工TOOL is =
巩SOLID, SECURE

建筑　the right character says "zhu"; it's phonetic clue is the bamboo determinant on top. it means construction, bamboo of course is a construction material. the Ordinary Tool on the bottom.

恐怕 the right character says kong. The gong tool on the top left is the phonetic clue. the heart below is the semantic clue. it means "fear, terror".
kongpa = terror.

健康 the right character says "kang".  the phonetic clue is 广guang, the determinant which means broad. guang+shi+shui=kang,
jiankang=health, fitness. lit. strengthen+healthy