What's the difference between fortification and tenaille?

Fortification

Definition:

(n.) The act of fortifying; the art or science of fortifying places in order to defend them against an enemy.
(n.) That which fortifies; especially, a work or works erected to defend a place against attack; a fortified place; a fortress; a fort; a castle.

Example Sentences:

(1) The top of the fence can also be manipulated in certain ways such as including curvature outward at the top of the fence to make scaling it much more difficult for most.” Some critics, including Washington DC congressional delegate Eleanor Holmes Norton, have warned against excessive fortification, but the report argues: “We recognise all the competing considerations that may go into questions regarding the fence, but believe that protection of the President and the White House must be the higher priority.” “Every additional second of response time provided by a fence that is more difficult to climb makes a material difference in ensuring the President’s safety and protecting the symbol that is the White House.” The panel also urges that a new head of secret service, to replace ousted head Julia Pierson, be brought in from outside the agency, ensuring it is better staffed and trained in future.
(2) It is concluded that vitamin-D deficiency in Asian immigrants could be substantially reduced by fortification of chupatty flour with vitamin D.
(3) Accuracy, measured by comparison with fortification values, averaged 95% and ranged from 79 to 103%.
(4) In Terezín itself, I saw for myself the buildings, roads and fortifications shown in the artists' works.
(5) We conducted a randomized double-blind trial of a cow's milk infant formula with increased iron fortification in order to confirm its safety and to measure its effects on iron status and immune function.
(6) Accordingly, such fortification should be used in selected situations only, rather than as a routine nursery policy.
(7) Adequate exposure to summer sunlight is the essential means to ample supply, but oral intake augmented by both fortification and supplementation is necessary to maintain baseline stores.
(8) Results for commercial preparations obtained by the proposed procedure demonstrate excellent precision and accuracy with RSD values for replicate analysis ranging from 0.11 to 0.74% and recoveries via fortification from 99.6 to 100.1%.
(9) Fortification of wheat flour by 0.3% lysine resulted in better growth of rats when fed at 6% protein level.
(10) For each fortification level, the means of recovery yield were in the range 56-107%, and were independent of the polycyclic aromatic hydrocarbon congener specificity and the operator's capability.
(11) Fortification of commercial blood meal with isoleucine did not improve much its quality.
(12) Fortification levels ranged from 0.02 to 1.2 ppm for alpha-BHC, lindane, cis- and trans-chlordane, octachlor epoxide, o,p'- and p,p'-DDT, p,p'-DDE, p,p'-TDE, hexachlorobenzene, heptachlor epoxide, dieldrin, endrin, methoxychlor, mirex, and toxaphene.
(13) In the trust’s book, Syria: Media Citadels between East and West , Julia Gonnella describes how the sixth-century fortification failed to become a place of long-term refuge and settlement because of a lack of clean water.
(14) To combat vitamin deficiencies in populations whose dietary staple is maize, the fortification of maize meal with riboflavin and nicotinamide has been recommended.
(15) Following ugly scenes on the Serbian-Hungarian border on Wednesday when Hungarian security forces used tear gas, water cannon and rubber bullets on desperate people pressed up against Budapest’s new razor-wire border fortifications, the focus shifted on Thursday to Croatia.
(16) The study included fortification of tissue by each laboratory and analysis of fat samples taken from treated heifers which had endogenous levels of 0, 10, and 20 ppb melengestrol acetate.
(17) These infants received Fe mainly from fortification Fe with beikost (75-86%) and less than 10% met the recommended intake of 1 mg.kg-1.d-1; whereas 80-85% of the infants fed the Fe-fortified formula did.
(18) There was no evidence that vitamin fortification of the modified medium had any significant effect on the growth rate of test organism.
(19) Samples consisted of 3 Great Lakes channel catfish homogenates containing different levels of bioincurred 2,3,7,8-TCDD; 1 of these was prepared in duplicate and another was prepared both with and without standard 2,3,7,8-TCDD fortification for a total of 5 samples per set.
(20) A targeted, double-blind controlled iron fortification trial using Fe(111)-EDTA in masala (curry powder) was directed towards an Fe-deficient Indian population for 2 y.