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Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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1. Pencils are made of graphite rather than lead that are considered a hazard. 2. Charcoals are made fromm willow and vine sticks, where wood cellulose has been heated without moisture to create the black color. _3. Drawing inks are usually solvent-based. _4. Permanent felt tip markers used in design or graphic arts contain solvents. _5. Spray mists are particularly hazardous because they easily inhaled. _6. The hazards present to aerosol sprays are pigments and solvents. _7. Asthmatic persons prefer to use oil pastels than dusty pastel sticks. _8. Spray booth that exhausts to the outside is necessary when using spray cans. _9. Blow off excess pastel or charcoal dust with your mouth. 10. Alcohol-based markers are less toxic than aromatic solvent-based markers. 11. Solvent-based drawing inks and permanent markers should be used with good dilution ventilation. 12. Pastels can contain toxic pigments such as chrome yellow and cadmium pigment. 13. Colored chalks are not considered nuisance dusts. 14. To clean off dusts, wet-mop or wet-wipe all the surfaces. 15. A respirator is a must to prevent inhalation of dusts problems.
Transcribed Image Text:1. Pencils are made of graphite rather than lead that are considered a hazard. 2. Charcoals are made fromm willow and vine sticks, where wood cellulose has been heated without moisture to create the black color. _3. Drawing inks are usually solvent-based. _4. Permanent felt tip markers used in design or graphic arts contain solvents. _5. Spray mists are particularly hazardous because they easily inhaled. _6. The hazards present to aerosol sprays are pigments and solvents. _7. Asthmatic persons prefer to use oil pastels than dusty pastel sticks. _8. Spray booth that exhausts to the outside is necessary when using spray cans. _9. Blow off excess pastel or charcoal dust with your mouth. 10. Alcohol-based markers are less toxic than aromatic solvent-based markers. 11. Solvent-based drawing inks and permanent markers should be used with good dilution ventilation. 12. Pastels can contain toxic pigments such as chrome yellow and cadmium pigment. 13. Colored chalks are not considered nuisance dusts. 14. To clean off dusts, wet-mop or wet-wipe all the surfaces. 15. A respirator is a must to prevent inhalation of dusts problems.
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