帮忙翻译一下下面的2个英语句子,别直接百度翻译,语法要正确!

帮忙翻译一下下面的2个英语句子,别直接百度翻译,语法要正确!
1、Use the smallest possible collimation and an appropriate scatter grid to help
eliminate scatter radiation
2、Siemens cannot accept responsibility for the safety features and for the reliability
and performance and performance of the equipment if installation,equipment expansions ,readjustments,
modifications,or repairs are not carried out by persons authorized to do so by us
Components affecting safe operation of the product are not replaced by original
spare parts,the electrical installation of the room does not meet the requirements of
the corresponding national regulations or the product is not used in accordance with
the Operalor Manual