Health Risks Of MDF
Many people are concerned about the health risks involved in the use of Medium Density Fibreboard.The health risks are generally based on the machining and dust-particle control while working with MDF. Once MDF has been finished as furniture, or whatever, there is little or no acknowledged health risk.
Even at a low level, exposure to formaldehyde though inhalation can cause irritation to the eyes, nose, throat and mucous membrane. Formaldehyde can also affect the skin, leading to dermatitis, and the respiratory system causing asthma and rhinitis
Because formaldehyde can only cause damage through inhalation if a safety mask is used whilst processing the MDF the risk of damage through inhalation is distinguished.
Sunday, February 15, 2009
Tuesday, February 3, 2009
Monday, November 10, 2008
Week 5 Final
During this weekend i came in on saturday.on saturday i got alot of work completed.I connected my solar panels to the box with silicon.I also cut out a bit of white plastic so i could hide the circuitry.On sunday i also came in on sunday i drilled holes for my LEDs in my white plastic.And i got all of my circuits working.my lioght was complete.then as i was packing up two of the LEDs stopped working i thougt it had short circuited.on monday i came in for period one and i fixed the LED problem.the battery had fallen out so i glued all the batteries in their packs.i then closed it up and the light was finished.Today i am uploadind images of my progress and uploadind my evaluations.
Churr
Churr
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