persons and damage to property. . warning – risk of explosive gases: working in the vicinity of a lead-acid battery is dangerous. batteries generate explosive gases during normal battery operation. ii. charger precautions: . never charge a frozen battery. . make sure the cord is located so that it will not...
persons and damage to property. . warning – risk of explosive gases: working in the vicinity of a lead-acid battery is dangerous. batteries generate explosive gases during normal battery operation. ii. charger precautions: . never charge a frozen battery. . make sure the cord is located so that it will not...
persons and damage to property. . warning – risk of explosive gases: working in the vicinity of a lead-acid battery is dangerous. batteries generate explosive gases during normal battery operation. ii. charger precautions: . never charge a frozen battery. . make sure the cord is located so that it will not...
one month ago. mountains are covered in branchless trees, stuck in the dirt like the walking sticks of giants. power lines are tangled about like spaghetti dropped from the sky. sheet metal from roofs and fencing has been turned into floppy strips of chewing gum, scattered on the hills. not only are...
rather heat people directly. where a church has fixed pews, we would always recommend our pew heaters. these unobtrusive heaters are fitted below the pew seats and provide gentle warmth to the congregation. under pew heaters are the most unobtrusive means of heating a church pew heaters can be easily mounted...
in a recent study, livestock did not grow nearly as fast when conditions were hot and humid as they did when the conditions helped them maintain regular body temperature. in a university of kentucky study, swine growth increased by - % rates for weight gain. when cooling livestock, these results led...
their cheeks pink. the second half of the th century ushered in a radically transformed understanding of tuberculosis when, in , robert koch announced that he had discovered and isolated the bacteria that cause the disease . by then, germ theory had emerged. this is the idea that microscopic organisms, not...