Worksheet 3 A- Choose the best answer a, b, c, or d 1- ------------- allow clothing or hair to get near an electric drill. a) Never b) Carefully c) Always d) Slowly 2- --------------------- safety boots when working with heavy materials. a) Wearing b) Wear c) Must wear d) You wear 3- The ---------------- protected the worker’s lungs from fumes. a) safety helmet b) mask c) goggles d) safety boots 4- ------------ try repairing any electrical equipment or circuits with wet hands. a) Never b) Always c) Make sure you d) You should 5- Tools can cause injuries if you don’t use them -------------------- a) gently b) softly c) neatly d) properly 6- All bottles containing liquids must have ------------ labels. a) clear b) red c) plain d) black 7- Wear -------------- to protect your eyes from fumes. a) helmets b) respirators c) boots d) goggles 8- In structural applications, it is essential to ----------------- bolts correctly. a) loosen b) tighten c) grip d) check 9- ------------- fail to report accidents, defective equipment and/or unsafe conditions. a) Never b) Always c) Carefully d) ____ 10- The radiation produced by lasers may be ------------- to the human eye and skin. a) safe b) hazardous c) toxic d) poisonous 11- Safety rules exist in order to keep people ---------- from injury and death. a) safe b) near c) protect d) carefully 12- It is very important to ----------- safety procedures. a) follow b) break c) protect d) prevent 13- Students must follow all the written and verbal ---------------- when conducting a science experiment. a) devices b) instructions c) safety d) books 14- Before using any chemical, read the label ------------ a) carelessly b) properly c) carefully d) slowly 15- ------------- taste nor smell chemicals. a) Always b) Never c) carefully d) slowly B- A lot of dangerous materials are used in workshops, e.g. inflammable liquids. Make a set of six safety instructions for working with inflammable liquids.