A Good Man Is Hard to Find

Expensive and hard to visit doctors

Hard to leach gold ore

Hard to mine orebody

long diseases hard to cure

massive and hard to grind layer

Organism hard to degrade

resistance to hard water

a single machine to infinite system

contact materials to replace the cadmic material

do materials to accumulate

regulating materials to the growth of rice

electric machine materials

distance from the foramen ovale to the anterior root of the temporomandibular articular tubercle and to the incisure and to the incisure of the infrazygomatic crest

Hard Roof and Hard Coal

Hard Roof and Hard Floor

a form of address formerly used by an employee to his employer or tenant- peasant to his landlord

a modest spur to induce others to come forward with valuable contributions

ability to resistance to great distortion

able to talk to or get on with