telar	resistencia	proveedor
1	48.89	A
1	52.07	A
1	49.29	B
1	51.66	B
1	52.16	C
1	49.72	C
2	48	A
2	49.96	A
2	49.2	B
2	48.1	B
2	47.9	C
2	46.94	C
3	41.76	A
3	40.75	A
3	39.86	B
3	44.57	B
3	42.23	C
3	45.12	C
4	56.71	A
4	54.23	A
4	55.14	B
4	58.62	B
4	53.12	C
4	57.31	C