The installations for the supply of water, gas and electricity and sanitation, which he or she must keep in proper working order; पानी , गॅस , और बीजली और गटार की सफाई का पुरवठा यह आदमी या फिर औरत की जिम्मेदारी है कि अच्छे स्थती में रखे ।
परिभाषा
a mixture of hydrogen and carbon monoxide with small amounts of other gases; made by blowing steam over hot coke or coal
मोबाइल