（）应妥善保管工作印章，避免因个人原因造成印章损坏或丢失。

67.Removethe four screws that attach the flange to the cover

66.It ismandatory to do thisprocedurein thisservice bulletin

65.Vertical lists makelongcomplexsentences much easierto understand

64.Usethespecified tool to seal the opening

63.Write nounclusters of no more than three words

62.Preventmovement of thecomponents whenyou repair theunit.

61.Attachthe cabletothe structurewithwire.

60.Fuel goes throughthe atomizers into thecombustion chamber

1、Lift the cylinder above its installed position

58.Adhere tothe safety instructions