When the bolt and nut are tightened, the protrusions are flattened, either by contact with the bolt head or the nut face washer, forming a gap by which accurate measurement of bolt tension can be made.

The desert storm was riding in its strength; the travellers lay beneath the mastery of the fell simoom.[…]Roaring, leaping, pouncing, the tempest raged about the wanderers, drowning and blotting out their forms with sandy spume.

The other is to warme the water; and then, when you have put it into a pot, or dish, as much Chocolate as you thinke fit, put in a little of the warme water, and then grinde it well with the molinet; and when it is well ground, put the rest of the warme water to it; and so drinke it with Sugar.

The protester must also draw up an affidavit containing the literal reproduction of the bill with its acceptance, endorsements, guarantee by endorsement (aval), and anything else contained in the note […]