Answer:
1)
2) LPG reaches the domestic consumer in cylinders under relatively low pressures. ... LPG commonly is used as fuel for gas barbecue grills and gas cooktops and ovens, for gas fireplaces, and in portable heaters. In Europe, LPG water heaters are common. It is also used as an engine fuel and for backup generators.
3) This' is used to denote a singular thing and 'these' are used for plural ones. This/these help to denote something or someone that is near us or could even be used as an introduction. In short, they are used to display the relative distance between the speaker and the noun.
4) Always be alert. There's a reason why many workers insist upon that morning coffee. ...
Don't rush your work. ...
Wear required safety gear. ...
Follow instructions to a tee. ...
Pay attention to and follow emergency drills. ...
Insist upon proper training.
5) Hazardous Spill Management Training is Important
Toxic gases, for example, can cause serious side effects if inhaled. Even if a worker is careful when handling hazardous materials or dangerous goods, they could be constantly exposed to that toxic gas which can leach through materials and cause skin irritation.
