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What was the price of light bulb in nineteenth century?
The Thomas Edison light bulb was safe and inexpensive when it was first invented. It was about $1 per bulb.
Was Thomas Edisons light bulb safe?
yes
How long is it safe to leave nail polish on for?
I would say that nail varnish stays on for about a week, but sometimes longer.....it depends, but heat/hot water etc does weaken the nails and make them chip etc. As false nails, nail varnish also grows with your nails. It is important that when you are putting nail varnish on that you dont go right to the cutical and around the edge of your nails as that makes them chip, and they dont last as long. If you cover your nail varnish with clear nail varnish, then they have a chance of staying on longer.
Is varnish safe to put on playpens?
No
Is it safe to copy your hand with a copy machine?
Absolutely. The scanner uses light to make a copy. Its as safe as any light bulb.
Is it safe to burn wood with varnish in a wood stove?
No it is not safe to burn it.
Can you safely replace a 120 watt light bulb with a 60 watt light bulb in a chandelier that still contains other 120 watt light bulbs?
Yes, it will be perfectly safe.
Is it safe to leave a night light on all night?
Yes , it is safe to leave a night light on all night , however it depends on the size and the bulb.
Is it safe to change a front fog light bulb in a Chrysler 300c?
YesYes
Is it safe to leave a light bulb partially unscrewed?
It would not be dangerous to leave a light bulb partially unscrewed, however, there is some possibility that it will fall out of the socket. I would advise that if you don't want the bulb to be on, and you don't have a light switch, unscrew the bulb completely and put it away until you need it.
If you put aluminum foil around end of bulb will it hit the socket and would it be safe?
Whatever you do don't put aluminum foil around the end of the light bulb as it burns and that is not safe at all.
What can you put on the bottom of a light bulb to make it easier to remove from the socket?
A light coating of silicone lubricant, available as a spray, on the bulb threads, will lubricate the bulb and socket, and be electrically safe, and will make future removal much easier. Only a LIGHT coating, or short spurt of silicone, wiped over the bulb base, should be used.
