1. A law passed by US Congress to prevent employees from being injured or contracting diseases in the course of their employment.
5. Type genus of the family Elephantidae.
12. The cry made by sheep.
15. A secret society of white Southerners to resist Black emancipation.
16. A negatively charged electrode that is the source of electrons in an electrical device.
17. Aromatic bulb used as seasoning.
18. The occurrence of surplus liquid (as water) exceeding the limit or capacity.
20. Of or relating to Scandinavia or its peoples or cultures.
21. Electrical conduction through a gas in an applied electric field.
22. (informal British usage) Aggravation or aggression.
25. Type genus of the family Arcidae.
27. The 3rd planet from the sun.
29. English writer who is remembered for her biography of Charlotte Bronte (1810-1865).
32. Boas and pythons.
36. Angular distance above the horizon (especially of a celestial object).
37. (Akkadian) God of wisdom.
39. Involving the entire earth.
40. A cut of pork ribs with much of the meat trimmed off.
43. A rare silvery (usually trivalent) metallic element.
45. One of the five major classes of immunoglobulins.
46. A word for chaos or fiasco borrowed from modern Hebrew (where it is a loan word from Russian).
50. Harsh or corrosive in tone.
51. A light strong brittle gray toxic bivalent metallic element.
52. Arranged in a sequence of grades or ranks.
53. Daughter of Nehru who served as Prime Minister of India from 1966 to 1977 (1917-1984).
57. A boy or man.
58. Armor plate that protects the chest.
59. Large sweet juicy hybrid between tangerine and grapefruit having a thick wrinkled skin.
63. Having a face or facing especially of a specified kind or number.
68. A sweetened beverage of diluted fruit juice.
69. A Christian celebration of the Resurrection of Christ.
71. A positively charged electrode by which electrons leave an electrical device.
72. Imperial dynasty that ruled China (most of the time) from 206 BC to 221 and expanded its boundaries and developed its bureaucracy.
73. Genus of western North American herbs having showy flowers.
75. Report or maintain.
76. An insecticide that is also toxic to animals and humans.
77. The capital and largest city of Kenya.
78. A period of 40 weekdays from Ash Wednesday to Holy Saturday.

1. Long green edible beaked pods of the okra plant.
2. A projectile that is fired from a gun.
3. A special way of doing something.
4. A kind of heavy jacket (`windcheater' is a British term).
5. Liquid containing proteins and electrolytes including the liquid in blood plasma and interstitial fluid.
6. A white soft metallic element that tarnishes readily.
7. An inactive volcano in Sicily.
8. (linguistics) One of a small set of speech sounds that are distinguished by the speakers of a particular language.
9. Belgian architect and leader in art nouveau architecture (1861-1947).
10. Accumulate on the surface.
11. The seat within a bishop's diocese where his cathedral is located adv.
12. Any of numerous local fertility and nature deities worshipped by ancient Semitic peoples.
13. A river in northern England that flows southeast through West Yorkshire.
14. Type genus of the Alcidae comprising solely the razorbill.
19. The front limb of a quadruped.
23. In chemistry.
24. A midwestern state in north central United States in the Great Lakes region.
26. Being ten more than one hundred forty.
28. The act of hauling something (as a vehicle) by means of a hitch or rope.
30. Wool of the alpaca.
31. Russian Soviet leader.
33. A single serving of a beverage.
34. Primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves.
35. Having a specified kind of border or edge.
38. Title for a civil or military leader (especially in Turkey).
41. Twist or braid together, interlace.
42. Marked by excessive enthusiasm for and intense devotion to a cause or idea.
44. Cricket frogs.
48. (British) Your grandmother.
57. The ball-shaped capsule containing the vertebrate eye.
62. Unable to move or resist motion.
67. Informal terms for a mother.